Here's why:
* Adverbs modify verbs, adjectives, and other adverbs, providing more information about how, when, where, or to what extent an action is performed.
For example:
* Verb: She ran.
* Adverb: She ran quickly. (Describes how she ran)
* Verb: He eats.
* Adverb: He eats slowly. (Describes how he eats)
Let me know if you have any other grammar questions!