1 — a back seat 2 — a back lateral slip 3 — a back of a back seat 4 — a back upholstery of a luggage carrier 5 — a lateral upholstery of a luggage carrier
6 — a lateral upholstery of a luggage carrier 7 — a channel upholstery 8 — a back lateral upholstery 9 — an emphasis of a back of a back seat