The third step is to create your assets, which are the elements that you will use to create your animations, motion graphics, or visual effects. These can be images, text, shapes, logos, icons, or anything else that you can animate or manipulate. You can use software like Photoshop, Illustrator, or GIMP to create your assets, or you can find online resources like stock photos, fonts, or icons. You should also make sure that your assets are compatible with your video editing software, and that they have the right resolution, format, and aspect ratio.