This document discusses adjectives and adverbs and how they are used to describe nouns and verbs. It provides examples of using adjectives to describe nouns like "dog" and "can", and adverbs to describe verbs like "barked" and "kicked". The document demonstrates how adjectives and adverbs are added to sentences to provide more description, such as describing a dog as "fierce" that "barked loudly" or a girl that "angrily kicked" a "rusty can".