This is the actual image file containing the "tiles."
The smallest graphical unit. A standard combined tileset (major + minor) can contain up to 1,024 unique tiles . pokemon fire red tilesets
The size of the player character. Each block is a 2x2 grid of tiles. Blocks consist of two parts: a ground part (e.g., grass) and a 3D/foreground part (e.g., a signpost). This is the actual image file containing the "tiles