Moodle allows you to reorder topic blocks by dragging them up and down within the course. That click-and-drag method can be easy for small courses or for topic blocks that don't have a significant number of items in them. Using that method, you drag the block you want to move to its new location, letting go of the mouse button when the "ghost image" of that block has reached the desired location. For larger courses or for topic blocks with a lot of content, Moodle also allows you to move a topic block to another position more simply, by clicking to initiate the block location change and then clicking to tell Moodle where to place the block. The instructions below explain that process: