Circle: Click a point on the map and a circle is created. Click the edges to resize the circle. 

Corridor: Click points in succession along the route and an area is selected creating a corridor. This is useful when selecting users in advance of an event such as a tornado or an expected vehicles route of travel. 

Current map view: All users on the current map view your permission level enables you to communicate with. Only gov level users can communicate with all citizens.

Draw: Click on the map and with your mouse button held down, draw a shape around the area of interest.

Polygon: Click on the corners of the area of interest releasing the mouse between each point. Click to close the area selected. 

Square: Click a point on the map and a square area is created. Click the edges to resize the square.