Note: You are currently viewing documentation for Moodle 1.9. Up-to-date documentation for the latest stable version is available here: Dock.
The "docked" blocks appear as horizontal tabs along the left margin attached to the page. The docked block can expand into a menu with a click on the name link.
Clicking on the dock icon when a block is in the docked position, will move all blocks back to their original position.