Filter
Lists the drawing object types that you can include or exclude from the tree view of the Document Explorer. By default, all objects in the drawing are included. To exclude an object type, clear its check box. To include an object type, select its check box.
OK
Accepts the changes and returns to the Document Explorer.
Cancel
Closes the dialog box without making any changes.
Select All
Includes all drawing object types in the filter so that they are displayed in the Document Explorer tree view.
Clear All
Excludes all drawing object types.