C
C function
In Symbian OS, this refers to a function with a trailing C in its name (more normally with a trailing LC), for example NewLC(): such functions place a pointer to the object being worked upon onto the cleanup stack.
call
A specific communication on a line. See RCall.
call capabilities
Includes ability to support data, fax or voice calls, and the valid actions, for example to hang up.
call ownership
When an ETel client makes or answers a call, it is said to have ownership of that call. Only the client with ownership can terminate the call or gain control of the underlying communications channel. All other clients may just monitor the call and view its state.
call status
The status of a call, such as dialling, idle, and connection.
cancel function
A function provided by an asynchronous service provider to cancel a service that has been requested.
Capability
A capability grants access to a set of APIs, directories, and files. Most capabilities are given at installation. An application signature determines its capabilities.
caption
An application's caption is the text displayed below its icon, typically this is the application name.
cell identity code
The unique identifier for a particular cell in a mobile network.
certificate
A public key together with some information that is collectively signed with a private key.
certification authority (CA)
An organisation that performs various functions in a PKI, including issuing digital certificates, supporting certificate revocation and revocation checking.
certification authority certificate
A certificate that is used for signing other certificates.
Certificate generator
A tool used to create a certificate request file, which is sent to a certification authority.
CF card
Compact Flash card. A storage medium for mobile devices.
CFR
Confirmation to Receive. A digital response confirming that the entire pre-message procedure for receiving a fax has been completed, and that message transmissions may commence.
character
The smallest recognised unit in the Symbian OS text model. Not always visible as text on the screen. For instance, includes page and line breaks, paragraph delimiters and picture characters.
character cell
The rectangular array of pixels that wholly contains the shape of a character in a font (see character metrics).
character cell metrics
The ascent, descent, height and baseline measurements of character cell.
character cell ascent
The number of pixels from the top of a character cell to the baseline.
character cell descent
The number of pixels from the baseline to the bottom of a character cell.
character cell height
The height of a character cell in a font definition, in pixels.
character editor
A control which supports editing a single character.
character format attribute
Describes the appearance of characters; for instance font, font style and font size.
character format layer
A format layer specifying character format attributes.
character justification
Full justification of text by adjusting the gaps between characters.
charge card
A pre-paid phone card.
check box
A control which may be used to toggle an application state.
child
A Message Server entry that belongs to another entry: for example, a message is a child of its folder.
chunk
An area of contiguous linear memory. It is the unit of memory allocation where a region of RAM is mapped into contiguous logical addresses. Chunks are allocated during boot for purposes such as the Kernel's data and stack.
CIG
Calling Subscriber Identification. An optional signal that indicates that the following fax frame is an identification of the calling station. Used to provide additional security to fax communications.
CLDC
Connected Limited Device Configuration. Defines the base set of application programming interfaces and a virtual machine for resource constrained devices like mobile phones.
cleanup
The process of cleaning up after an exception or an error has occurred.
cleanup stack
The stack of partially constructed items maintained by CleanupStack :: PushL() and CleanupStack :: Pop(), which will be cleaned up, should a leave occur.
client
A program which requests services from another program.
client interface function
A member function in a client-side session (or subsession) class which implement a specific message request to the server, using an operation code.
client subsession
The representation of a subsession in the client program. A client subsession has a corresponding subsession object in the server program.
Client-side MTM
A component that provides functions to a client for manipulation of message data for a particular messaging protocol.
client-side session
The representation of a session in the client.
clipboard
A temporary stream store used to store text/pictures. Used in copying, cutting and pasting text.
clipping region
The region to which graphics primitives are clipped.
clock alarm
A general type of alarm that can be set by users, and managed by the alarm server. The 8 clock alarms can be set by any session. However, once set, they are independent of the setting application.
code section
A contiguous collection of character definitions covering part of the total character code range.
cold boot
The first time power is applied to a product, or a hard reset.
collate
The removal of differences between characters that are deemed unimportant for the purposes of ordering characters into their collating sequence.
column
In DBMS, this is considered to be a named member of a row.
column set
A set of column definitions describing the structure of a table or rowset.
command
A user operation or action on a device's screen that has a meaning to an application. Uikon allows commands to come from a number of sources, including toolbands, menu bars and hotkeys.
command button
A control which may be used to initiate a command in an application or to toggle an application state.
commit
Complete a transaction and ensure that all changes to the database are permanent.
communicators
Information centric products with voice capability.
component
Part of a path, which indicates either a directory or a file. ORA collection of releasables from one source tree. Many components make up a ROM.
component control
A control contained by a compound control.
composition text
The text currently being composed by the user in a front-end processor.
compound control
A control which contains other controls. These controls are its components.
compound identifier
A set of three UIDs which, in combination, identify a Symbian OS object; encapsulated by a TUidType.
concrete
Used to describe a class which implements the behaviour defined by an abstract class.
concrete control
A class that is derived from CCoeControl and can be instantiated.
CONE
Abbreviation of Control Environment.
connection element
A flag used by ETel to specify whether or not RLP is used.
connectivity
Includes PC synchronisation and file transfer and Infrared beaming.
contact database
A database of contact items.
contact group
A contact item that holds a set of associated contact cards or own cards.
contact item
Contains the details for a single contact.
contact item id
Uniquely identifies a contact item.
container control
A compound control.
content type
For a field for a contact item, specifies a field's type, and optionally a vCard property to which the field type maps.
context
Environment, such as the thread or process, in which an operation is taking place.In Messaging, the entry with which a Client-side MTM or User Interface MTM is currently working.
context switch
A context switch is a switch in execution between one thread/process and another. This involves saving the currently executing thread process's context (i.e. its address space mappings) and restoring the newly executing thread process's context.
context sensitive help (CS help)
Provides users with the specific help topic for the context to which it relates. CS help files are generated using the CS Help compiler, which replaces the Aleppo help authoring tool used in releases prior to and including v5.
control
A rectangular area of the screen that may respond to user input events.
control environment
Provides an active-object interface to the window server's asynchronous services, and provides framework for controls and app UI.
control factory identifier
A value that identifies a particular control class to a factory object which can instantiate objects of that class.
control observer
A mixin protocol that allows a control to send events to another control.
controller
How the user changes the state of, or provides input to, a system.
host controller
The Bluetooth Host Controller components provide the lower-level of a Bluetooth stack. It is typically implemented in hardware.
CP1252
Code page 1252. The code page for the Windows variant of the Latin1 character set.
CPU Family
A class of CPU, for example the ARM7, ARM9 and StrongARM are all types of ARM CPU, so they belong to the ARM CPU family.
critical section
A Kernel object used to serialise access to a resource which may only be shared between the threads within a process. Access to the critical section is through an RCriticalSection handle.
crop
Eliminate unwanted portions of a picture when it is output. Cropping is done according to a set of margins.
CRP
Command Repeat Procedure. This optional response indicates that the previous command was received by the fax machine in error, and should be repeated in its entirety.
cryptography
Public Key and Asymmetric - Public-key cryptography uses a pair of keys, one that is designated the private key and kept secret, the other key is called the public key and is generally made available. Information encrypted using one key can only be decrypted using the other, and vice versa. The implication of this is that if a message can be decrypted using the public key, then it must have been sent from the owner of the private key.
Crystal
Codename for a half-VGA screen size, keyboard-based UI variant that Symbian produced at v6.0.
CS help compiler
Builds help files from the command line, using information defined in a project file, rtf source file or files, and an optional customisation file. The compiler also generates a C++ header file containing literal descriptors for each context - which can be used to provide a link to the appropriate help topic from an application.
CSI
Called Subscriber Identification. Optional signal used to provide the specific identity of the called subscriber by its international telephone number.
CSS
Cascading Style Sheets. A mechanism for adding style, color, or spacing to Web documents.
CSY
Communications server.
CSY module
Plug-in communications server module.
CTSClear To Send. An RS232 input line that is taken as an indication that it is safe for us to transmit data when high.
current file position
The position at which the next file read or write operation will start, or from which relative seek operations take effect.
cursor
DBMS: Part of a rowset object that maintains the current position within the rowset. or Text Views: A document position that functions as the insertion point if there is no selection. If there is a selection, the cursor is the end of the selection which may be extended.
customisation file
An optional file used by the context sensitive help compiler to control the appearance of the generated help text.
C function
In Symbian OS, this refers to a function with a trailing C in its name (more normally with a trailing LC), for example NewLC(): such functions place a pointer to the object being worked upon onto the cleanup stack.
call
A specific communication on a line. See RCall.
call capabilities
Includes ability to support data, fax or voice calls, and the valid actions, for example to hang up.
call ownership
When an ETel client makes or answers a call, it is said to have ownership of that call. Only the client with ownership can terminate the call or gain control of the underlying communications channel. All other clients may just monitor the call and view its state.
call status
The status of a call, such as dialling, idle, and connection.
cancel function
A function provided by an asynchronous service provider to cancel a service that has been requested.
Capability
A capability grants access to a set of APIs, directories, and files. Most capabilities are given at installation. An application signature determines its capabilities.
caption
An application's caption is the text displayed below its icon, typically this is the application name.
cell identity code
The unique identifier for a particular cell in a mobile network.
certificate
A public key together with some information that is collectively signed with a private key.
certification authority (CA)
An organisation that performs various functions in a PKI, including issuing digital certificates, supporting certificate revocation and revocation checking.
certification authority certificate
A certificate that is used for signing other certificates.
Certificate generator
A tool used to create a certificate request file, which is sent to a certification authority.
CF card
Compact Flash card. A storage medium for mobile devices.
CFR
Confirmation to Receive. A digital response confirming that the entire pre-message procedure for receiving a fax has been completed, and that message transmissions may commence.
character
The smallest recognised unit in the Symbian OS text model. Not always visible as text on the screen. For instance, includes page and line breaks, paragraph delimiters and picture characters.
character cell
The rectangular array of pixels that wholly contains the shape of a character in a font (see character metrics).
character cell metrics
The ascent, descent, height and baseline measurements of character cell.
character cell ascent
The number of pixels from the top of a character cell to the baseline.
character cell descent
The number of pixels from the baseline to the bottom of a character cell.
character cell height
The height of a character cell in a font definition, in pixels.
character editor
A control which supports editing a single character.
character format attribute
Describes the appearance of characters; for instance font, font style and font size.
character format layer
A format layer specifying character format attributes.
character justification
Full justification of text by adjusting the gaps between characters.
charge card
A pre-paid phone card.
check box
A control which may be used to toggle an application state.
child
A Message Server entry that belongs to another entry: for example, a message is a child of its folder.
chunk
An area of contiguous linear memory. It is the unit of memory allocation where a region of RAM is mapped into contiguous logical addresses. Chunks are allocated during boot for purposes such as the Kernel's data and stack.
CIG
Calling Subscriber Identification. An optional signal that indicates that the following fax frame is an identification of the calling station. Used to provide additional security to fax communications.
CLDC
Connected Limited Device Configuration. Defines the base set of application programming interfaces and a virtual machine for resource constrained devices like mobile phones.
cleanup
The process of cleaning up after an exception or an error has occurred.
cleanup stack
The stack of partially constructed items maintained by CleanupStack :: PushL() and CleanupStack :: Pop(), which will be cleaned up, should a leave occur.
client
A program which requests services from another program.
client interface function
A member function in a client-side session (or subsession) class which implement a specific message request to the server, using an operation code.
client subsession
The representation of a subsession in the client program. A client subsession has a corresponding subsession object in the server program.
Client-side MTM
A component that provides functions to a client for manipulation of message data for a particular messaging protocol.
client-side session
The representation of a session in the client.
clipboard
A temporary stream store used to store text/pictures. Used in copying, cutting and pasting text.
clipping region
The region to which graphics primitives are clipped.
clock alarm
A general type of alarm that can be set by users, and managed by the alarm server. The 8 clock alarms can be set by any session. However, once set, they are independent of the setting application.
code section
A contiguous collection of character definitions covering part of the total character code range.
cold boot
The first time power is applied to a product, or a hard reset.
collate
The removal of differences between characters that are deemed unimportant for the purposes of ordering characters into their collating sequence.
column
In DBMS, this is considered to be a named member of a row.
column set
A set of column definitions describing the structure of a table or rowset.
command
A user operation or action on a device's screen that has a meaning to an application. Uikon allows commands to come from a number of sources, including toolbands, menu bars and hotkeys.
command button
A control which may be used to initiate a command in an application or to toggle an application state.
commit
Complete a transaction and ensure that all changes to the database are permanent.
communicators
Information centric products with voice capability.
component
Part of a path, which indicates either a directory or a file. ORA collection of releasables from one source tree. Many components make up a ROM.
component control
A control contained by a compound control.
composition text
The text currently being composed by the user in a front-end processor.
compound control
A control which contains other controls. These controls are its components.
compound identifier
A set of three UIDs which, in combination, identify a Symbian OS object; encapsulated by a TUidType.
concrete
Used to describe a class which implements the behaviour defined by an abstract class.
concrete control
A class that is derived from CCoeControl and can be instantiated.
CONE
Abbreviation of Control Environment.
connection element
A flag used by ETel to specify whether or not RLP is used.
connectivity
Includes PC synchronisation and file transfer and Infrared beaming.
contact database
A database of contact items.
contact group
A contact item that holds a set of associated contact cards or own cards.
contact item
Contains the details for a single contact.
contact item id
Uniquely identifies a contact item.
container control
A compound control.
content type
For a field for a contact item, specifies a field's type, and optionally a vCard property to which the field type maps.
context
Environment, such as the thread or process, in which an operation is taking place.In Messaging, the entry with which a Client-side MTM or User Interface MTM is currently working.
context switch
A context switch is a switch in execution between one thread/process and another. This involves saving the currently executing thread process's context (i.e. its address space mappings) and restoring the newly executing thread process's context.
context sensitive help (CS help)
Provides users with the specific help topic for the context to which it relates. CS help files are generated using the CS Help compiler, which replaces the Aleppo help authoring tool used in releases prior to and including v5.
control
A rectangular area of the screen that may respond to user input events.
control environment
Provides an active-object interface to the window server's asynchronous services, and provides framework for controls and app UI.
control factory identifier
A value that identifies a particular control class to a factory object which can instantiate objects of that class.
control observer
A mixin protocol that allows a control to send events to another control.
controller
How the user changes the state of, or provides input to, a system.
host controller
The Bluetooth Host Controller components provide the lower-level of a Bluetooth stack. It is typically implemented in hardware.
CP1252
Code page 1252. The code page for the Windows variant of the Latin1 character set.
CPU Family
A class of CPU, for example the ARM7, ARM9 and StrongARM are all types of ARM CPU, so they belong to the ARM CPU family.
critical section
A Kernel object used to serialise access to a resource which may only be shared between the threads within a process. Access to the critical section is through an RCriticalSection handle.
crop
Eliminate unwanted portions of a picture when it is output. Cropping is done according to a set of margins.
CRP
Command Repeat Procedure. This optional response indicates that the previous command was received by the fax machine in error, and should be repeated in its entirety.
cryptography
Public Key and Asymmetric - Public-key cryptography uses a pair of keys, one that is designated the private key and kept secret, the other key is called the public key and is generally made available. Information encrypted using one key can only be decrypted using the other, and vice versa. The implication of this is that if a message can be decrypted using the public key, then it must have been sent from the owner of the private key.
Crystal
Codename for a half-VGA screen size, keyboard-based UI variant that Symbian produced at v6.0.
CS help compiler
Builds help files from the command line, using information defined in a project file, rtf source file or files, and an optional customisation file. The compiler also generates a C++ header file containing literal descriptors for each context - which can be used to provide a link to the appropriate help topic from an application.
CSI
Called Subscriber Identification. Optional signal used to provide the specific identity of the called subscriber by its international telephone number.
CSS
Cascading Style Sheets. A mechanism for adding style, color, or spacing to Web documents.
CSY
Communications server.
CSY module
Plug-in communications server module.
CTSClear To Send. An RS232 input line that is taken as an indication that it is safe for us to transmit data when high.
current file position
The position at which the next file read or write operation will start, or from which relative seek operations take effect.
cursor
DBMS: Part of a rowset object that maintains the current position within the rowset. or Text Views: A document position that functions as the insertion point if there is no selection. If there is a selection, the cursor is the end of the selection which may be extended.
customisation file
An optional file used by the context sensitive help compiler to control the appearance of the generated help text.
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