Have you heard of a raster graphics editor? It is an application that makes it easy to create or edit or retouch photos as one sees fit, and then saves them in formats of JPEG, GIF, PNG, and others. If you haven’t heard of a raster graphics editor, maybe you’ve heard of Adobe Photoshop—one of the most popular raster graphics editors out there. Personally, I’m not that familiar with it, but I live with techies who try and educate me