Can i know why some people on the discord put "!" or other in front of hes nick?

To solve their problems, mesopotamians used irrigation, a way of supplying water to an area of land. to irrigate their land, they dug out large storafe basins to hold water supplies these ditches brought water to the feilds. to protect their feilds from flooding, farmers built up the banks of the tigris and euphrates.hope ths !

What the question i don't get it do u mean what she needs to do to auctually become one