What do you understand by Identifiers in programing C Language?

What are the identifiers in “C” programing language?

Identifier

• Identifiers are the program elements.
• It can be name of object in the program.
• It can take different values but one value at time can take in the program during compiling the program.
• Identifiers are in the form of such as variables, functions and arrays etc.
• The value of the identifier cannot be changed during execution of the program.
• If the value of identifiers is integer type value such as ‘a int’ data type then you cannot change during execution of the program in C language.
• You can use the write the identifier with underscore sign (_).For example “input_process_output”.