Im not 100% positive but I believe the answer would be metaphor
My teacher was audible when he gave the directions.
In an essay, a nice complementary to the write-up in order for the audience to comprehend the message is support. Graphs and statistics are shown in reports that details the facts or data. Images are needed in write-ups where feature writing is required. essays are opinionated and presents one's arguments. hence, one needs c) support.