Jump points are a type of keybinding which allow the definition of a single-keypress jump from any menu into a pre-defined list of mythfrontend menus, eg. 'Main Menu', 'Live TV', 'Program Finder'. Several plugins also support jump-points, eg. 'Play DVD', 'MythGallery', 'Video Gallery'.
<button> <type>JUMP_VIDEO_GALLERY</type> <text>Videos</text> <action>JUMP Video Gallery</action> <depends>mythvideo</depends> </button>
To see a list of available jump points, install mythweb and visit the key bindings page ( Possibly http://localhost/mythweb/settings/mythtv/keys )