This UXer was the first to have the acronym UX in his job title. He also worked at Apple for a few years in the early 1990s.
Donald Norman
The genesis of all good UX, this begins before the first wireframes are drawn and drives the iterative process until and after release.
What is user research
This markup language manages design elements such as fonts, colors, spacing, and layout.
What is CSS
A researcher meets with participants one-on-one to discuss in depth what the participant thinks about the topic in question.
What are user interviews
In order to be considered Large Print, font size must be this size at minimum.
What is 18pt font
He is famous for his 10 Heuristics for good usability.
Jakob Nielsen
This process, in which a design is evaluated by a variety of subjects.
What is user testing
A lazy writer; or, an unconventional method of solving a design or coding problem.
What is a hack
Groups of 3–12 participants are lead through a discussion about a set of topics, giving verbal and written feedback through discussion and exercises.
What are focus groups

9% of men and .5% of women are this.
What is color-blind
Poorly designed door that confuses or fails to give you an idea whether to push or pull, were named after him.
Don Norman
Much like in an RPG, these "character" archetypes are used in the development process to act as stand-ins for the target audience.
What are user personas
This icon is full of options and tastes delicious.
What is a hamburger
A device is configured to precisely measure where participants look as they perform tasks or interact naturally with websites, applications, physical products, or environments.
What is eyetracking
The industry standard guidelines for web content accessibility are organized around four principles.
Perceivable, Operable, Understandable, and Robust (or POUR)
This author is famous for a framework that explains the user experience in 'layers'.
Jesse James Garrett
This path follows, from inception to completion, the holistic process a subject performs to reveal and solve a problem.
What is the user journey
Despite the name, this business communication platform is no place to get lazy.
What is Slack
A method of scientifically testing different designs on a site by randomly assigning groups of users to interact with each of the different designs and measuring the effect of these assignments on user behavior.
What is A/B testing
Labeling of functions such as links, buttons, and controls should be consistent, and the expected function should be predictable from the label.
What is consistency and predictability
He spent over 25 years as a usability coach and worked with corporations Apple, NPR and Bloomberg.com
Steve Krug
This path maps out the way a subject uses your product or service to find a solution to their problem.
What is the user flow

Writing PHP code, database management, and a good squat routine -- three essential skills for this discipline.
What is back-end development
Analyzing the record of screens or pages that users click on and see, as they use a site or software product; it requires the site to be instrumented properly or the application to have telemetry data collection enabled.
What is clickstream analysis
A design technique that involves showing only the least amount of information or functions necessary for a given task or purpose, to avoid overloading the user with information.
What is progressive disclosure