It supports a wide range of colors, so it’s the one most folks capture on their cameras and scanners (JPEG works well for black-and-white photos, too). JPEG stands for the Joint Photographic Experts Group that developed it. Chances are good that you’ve witnessed a wide variety of file formats flit across your screen, but do you really understand what they mean? For example, you may understand that a JPEG is for pictures but what’s a PNG and a TIFF? And which format supports an image with a see-through background? In this column, you’ll get answers to those questions and more.