what dose the term SEDAN mean ?

The term "sedan" denotes a 4 door vehicle versus a "coupe" which is a 2 door. Here's the Wikipedia definition: A sedan /sɨˈdæn/ (American, Canadian, Australian and New Zealand English) or saloon (British and Irish English) is a passenger car in a three-box configuration with A, B & C-pillars and principal volumes articulated in separate compartments for engine, passenger and cargo.[1] The passenger compartment features two rows of seats and adequate passenger space in the rear compartment for adult passengers. The cargo compartment is typically in the rear, with the exception of some rear-engined model **FIRST image listed below is your standard sedan**