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User-centered design. User-centered design ( UCD) or user-driven development ( UDD) is a framework of process (not restricted to interfaces or technologies) in which usability goals, user characteristics, environment, tasks and workflow of a product, service or process are given extensive attention at each stage of the design process.
The structure principle is concerned with overall user interface architecture. The simplicity principle: The design should make simple, common tasks easy, communicating clearly and simply in the user's own language, and providing good shortcuts that are meaningfully related to longer procedures. The visibility principle: The design should make ...
Usage-centered design. Usage-centered design is an approach to user interface design based on a focus on user intentions and usage patterns. It analyzes users in terms of the roles they play in relation to systems and employs abstract (essential) use cases [1] for task analysis. It derives visual and interaction design from abstract prototypes ...
Human-centered design is an approach to interactive systems development that aims to make systems usable and useful by focusing on the users, their needs and requirements, and by applying human factors/ergonomics, and usability knowledge and techniques. This approach enhances effectiveness and efficiency, improves human well-being, user ...
Login. In computer security, logging in (or logging on, signing in, or signing on) is the process by which an individual gains access to a computer system or program by identifying and authenticating themselves. The user credentials are typically some form of a username and a password, [1] and these credentials themselves are sometimes referred ...
The Design of Everyday Things is a best-selling [1] book by cognitive scientist and usability engineer Donald Norman about how design serves as the communication between object and user, and how to optimize that conduit of communication in order to make the experience of using the object pleasurable. One of the main premises of the book is that ...
Leonard and Rayport identify the five key steps in empathic design as: [8] Observation. Capturing Data. Reflection and Analysis. Brainstorming for solutions. Developing prototypes of possible solutions. Prototypes, simulation and role-playing are other forms of learning processes, typically used to gather customer feedback to designs that have ...
A login manager is a login system for Unix and Unix-like operating systems. It comprises a login daemon, a login user interface, and a system for tracking login sessions. [1] When a user tries to log in, the login manager passes the user's credentials to an authentication system. Since an X display manager is a graphical user interface for ...