Photo editing is the process of altering digital or analog images. It involves basic techniques like cropping, resizing, correcting, sharpening, and softening images. Adobe Photoshop CS6 is a tool that allows users to create, modify, combine, and optimize digital photos. It was created in 1987 and later purchased by Adobe in 1988. Photoshop uses layers, selections, resolution, and color modes to edit images. The Photoshop window displays menus, tools, panels, and more to help users modify photos.