Define Variable Dialog Box
The Variable Definition dialog box is available when defining a table or a layout. Use this dialog to define local, session, or global variables that you want to be visible to a table (and its layouts) or just a layout (form, browse, report, letter, or label).
The Level can be
Local (only available to and usable by layouts and their scripts)
Session (available to all layouts based on the table and all scripts based on the layouts)
Global (available to all layouts, scripts, and functions)
The Name can be any character string that conforms to the rules for variable naming.
The Type can be
The Value is optional. It defines an initial value for the variable.