what is adverb and adjective?

Dear Teachers,
Can you explain to me what is adverb and adjective?

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Briefly, an adjective modifies a noun, and an adverb modifies a verb or an adjective. See HERE and HERE for more.
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In addition, you might want to study types of adverbs and usage of adverbs.[YSaerTTEW443543]

TOEIC short conversations: Getting directions to the library.[YSaerTTEW443543]