It's never wrong to review that famous and ever-relevant essay, Falsehoods Programmers Believe About Names, and for which there has been oodles of prior discussion on this forum:

https://news.ycombinator.com/item?id=1438472

https://news.ycombinator.com/item?id=12450825

https://news.ycombinator.com/item?id=21492464

Original at https://www.kalzumeus.com/2010/06/17/falsehoods-programmers-...