This area allows you to specify other variables or expressions that you want to see, such as global variables. By pushing the + button, you can increase the number of lines in the table. The - button will delete the row that was last clicked in the table. You can double-click on a gray area of the table to enter a variable or expression. Its value will be displayed to the right This can help explain why certain conditional statements, such as used in "if" statements aren't behaving as expected. It also allows you to see global variables that otherwise are not visible on the Local Variables tab.