a flat, vertical surface typically painted or wallpapered may have windows or doors may have shelves or cupboards may have pictures, art, or other decorations may have electrical outlets or other fixtures may have molding around the edges may have ventilation grates or other features
sidewall which is a flat, vertical surface sidewall which typically painted or wallpapered sidewall which may have windows or doors sidewall which may have shelves or cupboards sidewall which may have pictures, art, or other decorations sidewall which may have electrical outlets or other fixtures sidewall which may have molding around the edges sidewall which may have ventilation grates or other features