Drag a marquee around part or all of one or more
objects.
To add or remove objects from the selection, hold down
Shift and click or drag around the objects you want to add or remove.
Dragging over objects to select them
When the Selection tool is over an unselected object
or group, it changes to . When
it is over a selected object or group, the tool changes
to . When
it is over an anchor point on an unselected object, a hollow
square appears next to the arrow .