The Data View drawer, available by double-clicking on its bottom banner (see Drawers for more information on working with drawers) displays detailed information about the selected expression. If more than one expression is selected, the first is used to propagate information in the drawer.

In addition to some of the detail available in the view itself, the drawer displays the language and the lookup scope. The lookup scope is the scope of the program where the lookup was initiated.

The lookup scope consists of the executable image, the file in the image, and function name in the file. The Block Line field is typically the first line number in the program's lexical block in which the lookup occurred. The Block ID is merely a synthetic name that TotalView assigns to every lexical block in a program. Hovering your cursor over Block ID displays more detailed description in a tool tip.