It's a word that describes stuff, tells people more about it dude.
"That cat is FAT and LAZY."
Adverbs are how the people doing an action.
"He is running SLOWLY."
Be sure not to mix them up.
Adjectives describe a noun. (a noun is a person, place, thing, or idea)
nouns - girl, castle, fork, thought
adjectives - Asian, stone, dirty, different.
adjective noun phrases - Asian girl, stone castle, dirty fork, different thought.
stone girl, Asian castle, different fork, dirty thought
dirty girl, different castle, Asian fork, stone thought.