What is the name of the final comma used in a list of things?
The Oxford (or serial) comma is the last comma used when stating a list of things.
What is the past participle of a verb?
A participle is a form of a verb used in a sentence to modify a noun, noun phrase, verb, or a verb phrase. It also is similar to an adjective or adverb.
How can family communication be viewed as role-driven?
Family communication is role-driven when it is comprised of a set of expectations on how to communicate.