Question

array means :
an impressive display
a long narrative poem telling of a heros deeds
an act of gracious kindness
a law forbidding the sale of some product

Explanation:

The word "array" can mean an impressive display. A long - narrative poem is an epic. An act of gracious kindness is a benevolent act. A law forbidding the sale of some product is a prohibition law.

Answer:

an impressive display