This is a process used by the software industry to design, develop and test high quality software.

This is the principle of making it clear to the user what action has been taken and what has been accomplished.

This refers to an attribute of an object that allows people to know how to use it.

This refers to having similar operations and similar elements for achieving similar tasks.

This is about having a clear relationship between controls and the effect they have on the world.

This is about limiting the range of interaction possibilities for the user to simplify the interface and guide the user to the appropriate next action.

This rely on people's understanding of the way the world works.

This rely on learned conventions, like the use of red for warning, the use of certain kinds of signals for danger, and the use of the smiley face to represent happy emotions.

This refer to the way physical objects restrict the movement of things.

These are used as they can help the user understand and determine how an interface works.

This is commonly used to lay out content and functionality on a page which takes into account user needs and user journeys.

This is a reaction to events deemed relevant to the needs, goals, or concerns of an individual

This is an interface capable of detecting – or at least predicting – a user’s emotional or mood state could similarly assume an affect-regulation role, helping to guide attention away from negative and toward more positive stimuli

Emotion as Design solution, this denotes a relation between a visual representation and a certain concept

In emotion as design solutions, this interactive computational systems deliberately designed to change human attitudes and behaviors

In emotion as design solutions, this is the aural equivalent of an icon

This is a keyword enclosed by angle brackets

This lets you move from one page to another, play movies and sound, send email, download files, and more….

This may be used to collect personal information, opinions in polls, user preferences and other kinds of information.