Short answers, pulled from the story.
A final good is an item produced and subsequently consumed by the consumer to satisfy current wants or needs. This category includes appliances like microwave ovens that reach their end user without further processing. Economists count only new goods when measuring national income to avoid double counting.
The law defines any article produced or distributed for sale to a consumer for use in or around a permanent or temporary household or residence. It covers items intended for personal use, consumption, or enjoyment in schools or recreational settings. Specific exclusions exist within the text such as articles not customarily produced for consumer use.
Consumer durable goods usually have a significant lifespan which tends to be at least one year based on guarantee or warranty periods. Nondurable goods purchased for immediate use last from a few minutes up to three years. Food, beverages, clothing, shoes, and gasoline fall into the nondurable category where they get consumed or used up quickly.
The longevity and often higher cost of durable goods cause consumers to postpone expenditures on them. This volatility makes durables the most cost-dependent component of overall consumption patterns. Examples include tools, cars, and boats where maximum life depends upon the durability of the product itself.
Convenience goods are frequently used and readily available to consumers who need them immediately like fast food, cigarettes, and tobacco. Shopping goods take lot of time and proper planning before making purchase decisions involving selection and comparison. Cost, brand, style, and comfort become parameters consumers evaluate before buying an item.