Ergonomics {Ans: Study of work.}Human factor {Ans: Describe the study of user interfaces in their working content.}Usability {Ans: The extent to which a product can be used by specific users to achieve specific goals with effectiveness, efficiency, and satisfaction in a specified context of use}Interaction design {Ans: Designing interactive products to support the way people communicate and interact in their everyday and working lives}Human computer interaction {Ans: Set of processes, dialogs and actions throufg which a hunan user employs and interacts with a computer}Accessibility {Ans: Designing products so that people with disabilities can use them.}User experience {Ans: How people feel about the product}