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Heuristic Evaluation
Evaluating a website or app and documenting usability flaws and other areas for improvement. Is a usability engineering method for finding the usability problems in a user interface design so that they can be attended to as part of an iterative design process. Heuristic evaluation involves having a small set of evaluators examine the interface and judge its compliance with recognized usability principles (the “heuristics”).


Information architecture (IA)
Deals with the structure and presentation of information. The art and science of organizing and labeling websites, intranets, online communities and software to support usability.
Interaction design
Sometimes referred to as IxD, interaction design strives to create meaningful relationships between people and the products and services that they use. Focuses more on the behavior aspect of the user experience. The word “interactive” relates to the subject of design: interactive digital products, systems, and services.


A rough guide for the layout of a website or app, giving an indication of the direction that the product is heading.


A complete list of all the pages available on a website.


Is the ease of use and learnability of an object, such as a book, software application, website, machine, tool or any object that a human interacts with.
User experience design
Focuses on a sequence of actions that happen to a user while they’re working with a software product, and makes sure the user achieves their end goal while being happy.


Visual design
Defines “the look and feel” of the app. It’s the final stage of the UI design process when we’re working with a high-fidelity layout or a live app. Visual design deals with colors, typography, icons, and overall aesthetics of the final product. Also called communication design. A discipline which combines design and information development in order to develop and communicate a media message to a target audience.


A rough guide for the layout of a website or app, either done with pen and paper or with wireframing software.
Workflow Diagram
A graphical representation of activities and actions conducted by users of a system. (Sometimes called an activity diagram.)