What is another word for sub-tile?
Pronunciation: [sˈʌbtˈa͡ɪl] (IPA) 
Sub-tile refers to a portion of a larger tile, usually used in the context of computer graphics and image editing programs. Some synonyms for sub-tile include sub-pixel, sub-square, sub-region, and sub-section. Sub-pixel is used to refer to the smallest unit in an image that can be manipulated, while sub-square refers to a square-shaped sub-tile. Sub-region and sub-section refer to a specific area within a larger image or tile. These synonyms are often used interchangeably depending on the context, but all share the common meaning of a subset of a larger visual element that can be manipulated separately or as a group.
