The term 'KIND OF BUS' can be broken down into three crossword solutions: TOUR (4 letters), MINI (4 letters), and OMNI (4 letters). A TOUR bus is a large vehicle used to transport passengers on sightseeing trips or tours. It typically has a capacity of more than 25 people and is equipped with amenities such as air conditioning, audio-visual equipment, and comfortable seating. A MINI bus is a smaller version of a TOUR bus, usually with a capacity of up to 25 people. It is often used for short-distance transportation, such as airport transfers or school trips. An OMNI bus is a type of public transportation that operates on a fixed route and schedule. It is usually larger than a MINI bus and is used to transport passengers over longer distances.