I have never in my entire life heard this ? is this a new term or something people just make up anything now n days !
Answer:
“The Sniper” begins just before dawn in Dublin, Ireland, during the Irish Civil War. A Republic sniper sits on a roof and lights a cigarette despite knowing that the flash of his lighter might tip off his enemy. It does, and an enemy sniper, a Free Stater, sends a bullet flying overhead. The soldeirs then start shooting all over.
Answer: They help to make the essay or make a writing more living! It helps the reader imagine what is going on in the writing! I hope this helped:)
Explanation: Good luck!:)