The names used for buttons and site navigation, etc.

Technically any web page a user lands on in a site, but in the marketing realm, the term is used to describe a stand-alone page that has specifically been created for a marketing or ad campaign

The vertical space that appears between lines of text. Increasing or decreasing this value can improve or reduce readability.

How easy or difficult it is to learn to effectively use a system, interface, or device

How well an individual character can be distinguished from another within a particular typeface

A widely used approach to scaling responses in survey research; for instance, a five-point Likert scale that measures the level of confidence in selections can have values that range from “Not confident at all” to “Very confident”

A design technique that automatically scales a page to fit a browser window or monitor resolution

Personalizing a national or international product for a local market. Applies to more than just translation—can include changes to idioms, dates and times, currencies, and other aspects of the user experience (l10n stands for the number of letters that appear between “l” and “n” in the word localization)

A simple sketch or diagram made for gauging feedback on initial concepts that contains lines and boxes to indicate where elements, content, or features will go—with little or no attention paid to the visual design [See high-fidelity prototype]