The signature of a function consists of its name and the types of its arguments . In the case of a member function , the class to which the function belongs is also part of its signature. Software refers to the other, nonphysical components of a computer, the ones you cannot touch. If you can install it on your hard disk, it's software. Examples include a spreadsheet, a word processor, a database program.
Source code is a program in a form suitable for reading and writing by a human being.
A source code module is a file containing part or all of the source code for a program. A stack is a data structure with characteristics similar to a spring-loaded plate holder such as you might see in a cafeteria. The stack pointer is a dedicated register . The stack pointer is used to keep track of the most recently push ed value on the stack . A starting expression is the part of a for statement executed once before the controlled block of the for statement is first executed.