Adjectives and adverbs are the colorful words that make sentences in any language interesting and informative. Without them, our conversations would be limited indeed, and all we would learn about are the actions of people. Adjectives are used to describe nouns: people, places, things, or ideas. Adverbs tell us how an action is performed, and they are used to modify verbs, adjectives, or other adverbs. Adjectives, adverbs, and nouns can be used to make comparisons.
Prepositions are words that relate elements in a sentence: nouns to nouns and verbs to verbs. They may be modifiers and are often used before and after certain nouns and verbs. Prepositions may be used to indicate location and are quite useful when traveling or looking for something.