Selecting an Object

To select an object, click that object.
When an object is selected, a select box (red border) appears around the object, and the height and width of the object are shown on the left side.

To select multiple objects, perform the following.

To select multiple successive objects, click them while holding down the Shift key.
To select multiple arbitrary objects, click them while holding down the Ctrl key.
To select all objects, select Select All from the Edit menu.
When you specify the area with dragging the mouse, the object in the area is selected.