Background removal is the process of removing unwanted background elements from an image. This can be done for a number of reasons, such as to clean up an image or to remove distractions from the background so that the focus is on the subject matter. There are a number of ways to remove backgrounds in Photoshop, ranging from simple methods like using the Eraser tool to more complex methods like using layers and masking. No matter which method you use, background removal can be a quick and easy way to improve your images.