Why is there a need of multiple line comments

Answer 1

Sometimes, there is a need to give a thorough explanation what a program is for, how it works and who wrote it, prior to the actual code. That would be at least a paragraph or two, hence the need for multiple line comments.

Answer 2

To explain more information about your code function for the coder how going to read and edit on it or learn form "such as a guide form you in side the code Maze"