The sidebar with fast actions which can be showed or hide. Press the button for making them visible or not. This button can be changed from one place to another in the screen. In addition, it contains a setting menu where you can change the positions of the action bar or you can hide it. For more settings, you can watch videos for enabling all the setting for one month, such as: animations, transparence and action size of the Sidebar. Available actions in the sidebar: Applications - Back but