The term 'LONG CARS' can be summarized by the crossword solution 'LIMOS', which is an acronym for 'Luxury, Interior, Mobility, and Openness'. Limousines are a type of luxury vehicle that typically have a long wheelbase and are used for special occasions such as weddings, proms, and other formal events. They are usually chauffeured and feature amenities such as a bar, television, and sound system.