✍ Nirajan Guragain This is the first time i am writing the C program. And in the following simple program i want to describe the variable declaration and initialization. In short Variable: Generally, Variable is value changed during the execution of the time. But in the C program it is a named data storage location in your computer's memory. Variable Declaration: Variable Declaration is the linking the program with the data type and name that should be easily identified file name, block code to the compiler. Initialization: Set the value at the time of calculation is called initialization. Example: