(an expensive car, a brilliant idea, a beautiful girl, she is careful).
Adjectives are used to describe or give information about things, ideas and people: nouns or pronouns
Adjectives generally answer the question what kind.
Adverbs are used to modify
a. a verb (She sings beautifully.),
b. an adjective (She is very beautiful.), or
c. another adverb (The car goes very fast.).
Time, place, manner, frequency, and degree adverbs
(early, there, slowly, often, almost) describe
when, where, how, and how often something is done.
Many adverbs are formed by adding -lyto an adjective (slow - slowly, quick - quickly).