The term SIMPLE SEAT can be broken down into two crossword solutions: STOOL (5 letters) and BEANBAG (7 letters). A STOOL is a type of seat that typically has four legs and no back or armrests. It is often used in kitchens, bars, and other areas where space is limited. A BEANBAG is a type of chair filled with small pieces of foam or other material. It is usually round or oval in shape and is often used in living rooms, bedrooms, and other areas where comfort is desired. Both stools and beanbags are simple seating options that can be used in a variety of settings.