Screen Options
Screen Options, displayed as a hanging tab under the toolbar, allow the user to decide what fields or modules are presented in the work area for a given Administration Screen. Each Screen may have a different set of Screen Options.
Click on the Screen Options tab to expand the options available for a particular Screen, check (or uncheck) the desired options, then click the Screen Options hanging tab to collapse the Screen Options.
Event Editor - Screen Options
Post Editor - Screen Options
Pages Editor - Screen Options
Menus - Screen Options