User experience, commonly known as UX, refers to the overall impression a person has while interacting with a particular product or service. There are several synonyms that can be used to describe UX, including user interface (UI), usability, user interaction, user satisfaction, and user feedback. These terms all refer to the same concept of ensuring that users are able to navigate a product or service with ease and are satisfied with their experience. The importance of a positive UX cannot be overstated, as it can greatly impact a business's success and reputation. By prioritizing UX, businesses can improve customer retention and increase brand loyalty.