You can change in which order you display your items. Simply come on the item with your mouse and click on it. Drag the item and drop it where you want in your menu.
If you want to move an item inside a section, click on the vertical 3 dots on the item and select "Move" Then you can pick a destionation for the item to be moved within your menu.
You can also to this with your sections and menus to change their order of display as well.