A .zip file is a compressed archive. It acts as a digital "container," holding one or more files (images, documents, game assets) together in a smaller, single package to make downloading faster and easier.
: This is a standard file extension for a compressed archive. ZIP files bundle multiple images, documents, or video clips into a single package to make downloading and transferring data faster and more efficient. The Mechanics of Compressed Archives (.zip) D1dim4n - Martina Alim -112MB-.zip