Unlike the Mini-Map, the big Map in Borderlands 2 displays the entire region you’re currently in, along with all Objectives for your active Mission and any Vending Machines and other Stations you’ve discovered along the way.
You can highlight different items by hovering over them with your mouse cursor to get more info on them, and drop a personal waypoint by rightclicking anywhere on the map. Use the mouse wheel to zoom the map in or out, and press Q to bring up a handy reminder for what all the little icons mean.
