When someone wants to clarify or explain something, they might use the phrase "throw light upon." But there are other ways to express this idea. One might say "shine a light on," "illuminate," "clarify," "elucidate," or "shed light on." All of these synonyms convey the same idea of making something clearer or more understandable. Other related phrases might include "bring into focus," "reveal," "unveil," or "expose." In interpersonal communication or writing, it's important to have a varied vocabulary and not rely too heavily on one particular phrase or word. These synonyms for "throw light upon" provide an easy way to add some variety to one's language usage.