Which term describes the use of instruments in a piece of music?

Often in bluegrass the mandolin chords are so staccato they sound like drum beats arpeggios bass lines melodies

Culinary arts- a serving of seafood appetizers is arranged on a bed of ice. dipping sauces are in the center with a tiny spoon for dishing them out. what technique did the chef apply to make the arrangements? the chef applied the technique to make the arrangements

Write 2 out of the 5 reasons that societies create art.