A verbal is a verb that acts as another part of speech - like noun, an adjective or an adverb.
Example: She studies hard every day!
: I helped my father after school!
Appositive is a noun, noun phrases or noun clauses that rename a noun that comes before them.
Example: My mom is a teacher!
: Janes dog Bella is a golden retriever! (Rover renames dog)
hoped this helped :) if not i suggest searching up on google more examples and then see if you understand those !!!