Map Callouts are used to communicate with your teammates about the locations of you or your enemies in CS:GO. When you die or spot an enemy, you callout your locations to your teammates and they know your exact location. Otherwise, they can only find you on the radar which is not accurate. Therefore, it is very important for players to master some basic map callouts. Here are map callouts on radar 2016.
Callouts vary from region and team to another so there aren't standard callouts but common callouts. Please keep in mind that the maps keep updated. If you want to know more, please keep an eye on for more guide videos and strategies!