Definition - What does Comment mean?
A comment is a special construct in a programming language that allows the program developer to mention additional information associated with the program. The main reason for including comments in programming languages is to improve the portability and maintainability of a code.
Techopedia explains Comment
Comments also often provide information regarding the author of the content, the date and time it was developed and the date and time it was last modified. How much detail to include is a matter of subjectivity. Some developers are notorious for hating comments and view them as a waste of time. To others, comments are an absolute necessity. In theory, an organization should lay all its coding standards. Still, for whatever reason, anybody who has inherited code from a previous development team will tell you more times than not that the code does not have the commenting they would of liked to see.
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