Here's why:
* Adverbs modify verbs, adjectives, or other adverbs. They tell us how, when, where, or to what extent something happens.
* Verbs describe actions or states of being.
For example:
* Clearly (adverb) explained (verb) the concept.
* The answer was clearly (adverb) wrong.
In these sentences, "clearly" modifies the verb "explained" and the adjective "wrong," respectively. It provides information about how the explanation was given and the degree to which the answer was wrong.