During the process of the program, maybe there are too many elements on the timeline and the canvas, and that will make it hard for you to better edit on the canvas. In this situation, you can group the elements as one, when you want to move several elements together, or make the same adjustment to different elements, it will be very convenient.
Step1. Select one element on the canvas, hold down “Ctrl” key, and then click on other elements that you want to group together. Click the “Group” tab on the upper right, and then these elements will be group together as one.
Step2. When you want to split them, just select the whole element on the canvas, and then click the “Ungroup” tab on the upper right.