Why, not what. In the real world, code is based on business logic, so comments are a good place to add a ticket number (though most times a better place is usu

Why, not what. In the real world, code is based on business logic, so comments are a good place to add a ticket number (though most times a better place is usually a commit message) or a brief explanation of "why in the hell would anyone ever do it this way". Because the answer is usually something like "the client asked us to do it this way".