A clause is a group of words that contains a subject and a predicate (verb). It can either form a complete thought and stand alone as a sentence (known as an independent clause) make this like a 7th grader wrote it

A clause is a bunch of words that has a person or thing doing something (subject) and a action word to describe what they're doing (verb). It can either make sense all by itself and be a sentence on its own (called an independent clause).