The crossword solution for the term 'IT FOLLOWS WHO, WHAT, OR HOW' is 'EVER, ' which is a four-letter word. The term 'EVER' is an adverb that is used to refer to something that happens at all times or without exception. It is often used to emphasize the fact that something is always true or happens frequently. For example, one might say 'I EVER go to the movies on Fridays.' In this context, 'EVER' is used to emphasize that the speaker always goes to the movies on Fridays.