GIF is a graphics format that supports both static and animated images. It uses lossless compression, preserving the image quality while keeping file sizes small. GIFs are popular on social media and in web design for creating simple animations or small visual elements. However, they are limited to 256 colors.
M4A is an audio file format developed by Apple, often used for songs and other audio content in iTunes. It is based on the AAC codec and offers high compression with minimal loss of quality. M4A is ideal for digital music files due to its smaller size and efficient storage.