In business, engineering, and manufacturing, quality has a pragmatic interpretation as the non-inferiority or superiority of something

Customer support is a range of customer services to assist customers in making cost effective and correct use of a product

A price is the (usually not negative) quantity of payment or compensation given by one party to another in return for one unit of goods or services

In ordinary language, the word "experience" may instead sometimes refer to one's level of competence or expertise, either in general or confined to a particular subject

Consumer protection is the practice of safeguarding buyers of goods and services, and the public, against unfair practices in the marketplace.

Improvement is the process of a thing moving from one state to a state considered to be better, usually through some action intended to bring about that better state