Answer
Aircraft warranty is very similar to the warranty you get when you buy a new car. Components and Line Replaceable Units(LRU's) have a warranty if removed before a specified time. For new aircraft, some components are replaced and overhauled for free up to a specified date.
Some airlines establish overhaul contracts with vendors for refurbrishment of wheel & tire assemblies and brakes with a guaranteed Landings Per Overhaul (LPO's). If the brake is removed with less than the guaranteed performance, the cost is reduced.
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Do you mean used? Please be a little more specific, for example, What engines are used in aircraft, What instruments are used in aircraft.
You probably mean "wide body aircraft". See Wikipedia. [tty]
The galley is the part of the aircraft cabin where food and drinks are stored and prepared.
the length of warranty
Aircraft Category is base on size and intended purpose. Aircraft Classification is base number and types of engines and passenger capacity.
If you mean the original warranty from the time the car was purchased, the warranty for all emissions componets on American cars is 5 years/50,000 mles or if there is an extended warranty it might cover it for a longer period.
Designing and building it
it means they Both warranties cover the product against the same problems.
Aircraft configuration can mean either the state of the flaps and landing gear or the layout of the cabin.
It means there is a warranty that is in effect for one year. What it covers depends on what is listed on the warranty agreement. It can even be a 50/50 warranty meaning you pay 50% of the repairs and the seller pays 50%. Can be a warranty on parts and not labor. It is all spelled out in the warranty agreement you should have received when you bought the car.