In digital graphics, which of these file formats is used primarily for photos?

The .JPEG/.JPG file format is predominantly utilized for photos due to its efficient compression and ability to retain high image quality while significantly reducing file size. This format supports millions of colors and provides a level of detail and clarity that is well-suited for photographic images. Its lossy compression method allows for substantial reduction in file size, which is particularly advantageous for sharing and storing images, especially on the web.

In contrast, the .BMP file format is a bitmap image format that can result in very large file sizes, making it less ideal for photos when space and bandwidth are concerns. The .GIF format is more suited for simple graphics and animations rather than high-quality images, as it only supports up to 256 colors. The .SVG file format is vector-based, making it optimal for illustrations and designs that require scalability, rather than for photographic images that comprise intricate color gradients and details.