Using the select command you can select any object in your document .Select the select icon to enter selection mode,if it is not already activated.Point to part of the object you want to select.As you point to objects,different parts of the objects are highlighted,in the geometry area ,and the object name is highlighted in the specification tree.

Highlighting will only be active if you checked the option "Preselect in geometry view" (active by default) using the Visuallization tab via the

Tools->Option...........command.

To change pre selected element type highlighting options:

Tools->options->general->visualization->........................................

Cltr-click->to add more object to initial selection.

Cltr-clicking can be done in the geometry area,specification tree or lists in dialog boxes.To deselect ,click anywhere in the background.