The answer to 'what does bathroom cleaning include' is a thorough cleaning of all surfaces, fixtures, and areas in the bathroom. This typically includes cleaning the toilet, sink, shower/tub, floors, mirrors, and any other surfaces or features in the room.
A comprehensive bathroom cleaning will address dirt, grime, soap scum, and other buildup on all surfaces. It may involve using specialized cleaning products, scrubbing, and disinfecting to leave the bathroom fresh, sanitized, and visually appealing.