Cap Height

The distance from the baseline to the top of a capital letter, number, or other upper-case glyphs.

More terms you might want to know

x-height

The distance between the baseline and the mean line of lowercase letters in a typeface. Nearby descenders (such as j) and ascenders (such as q) usually extend slightly below or above this height.

Pixel

A pixel, or a picture element, is the smallest addressable element in a display device.

Serial Position Effect

A phenomenon in psychology in which recalling items in a list imposes an order on the list, with the first and last items remembered best. That is, if given a list of words to remember like "dog apple tree", people will tend to recall "dog" as being at the beginning of the sentence and "tree" as being at the end of it.

Font Case

The way characters are capitalised within a word or phrase. Common font cases are uppercase, lowercase, capitalised (or title case) and sentence case.

Ascenders

The part of lowercase letters that goes above the baseline when used in running text. As such, ascenders are considered less condensed than those used for numerals and other capital letters. Some examples of ascenders include b, d, h, k, and l. The opposite of an ascender is a descender.

Ligature

A form of typographic ornament used by a type designer for decorative purposes. Common ligatures are based on joining two or more letters together, often with figures embedded in the design

Gestalt Theory

A theory in psychology that discusses the general idea that the whole is greater than the sum of its parts. It's based on a human need to search for stability and meaning, which leads to organic movements towards wholeness. Gestalt Theory assumes there are inherent flaws in how we perceive forms and patterns, and it holds that this innate tendency transforms into an active process of looking for order in reality.

Logotype

The typographic presentation of a company's name in a stylized form.

Clickstream

A sequence of user actions on a website. In UX design, it's important to note the order in which users interact with your site so you can redesign it for optimum usability.

Composition

An organised arrangement of elements used for a particular purpose, such as to create striking visual effects or to convey information effectively. Good composition is achieved through different methods, such as placing figures or objects in a scene, revising and simplifying lines and shapes that make up a figure, and arranging multiple figures or objects into meaningful relationships.

Problem?

Got a suggestion or found an issue with the glossary?
Let me know!