Selection
To select a map item, do one of the following:
Tap a map item on a touchscreen device;
Hover over a map item with the mouse pointer and click it.
To select multiple map items, do the following:
Drag the mouse pointer, to mark an area that includes the desired map items;
Release the left mouse button. All map items within the area will be selected.
Hold the Shift Key and the left mouse button;