Color corrections: adjusting exposure, detailing, shadows and intensity. It is often used for photos that require minimal corrections.
Product cleanup, clipping, removing defects and imperfections of an object: scratches, white background, getting rid of dust specks and the like.
Resizing and saving in specific file format: these technical requirements depend on the channel of distribution of images mostly – be it a marketplace(Amazon, eBay, Etsy, FlipKart), social media(IG, FB etc.) , or big board format, for example.