A comma indicates a slight pause, and is used to separate sections of a complex sentence, to help you to recognize what words are part of what sections.
In terms of linguistics there are four main categories of sentences : declarative, exclamatory, interrogative, and imperative. In terms of psychology the function of sentence is to transfer a thought...
What a comma does is replacing the word "and" for example:Me , my mom , my dad , and my sister went to the park.if u look at the sentence the comma is replacing all the and's if i didn't put comma's...