A discipline that analyses the usability of an application by assessing its interaction design and user experience.
Text that is used to fill in a gap in a document.
Framing consisting of cutting off or obscuring most of the surrounding of a subject, removing distractions from the background and emphasising the subject.
Colours that have a relation in their hue. A colour wheel can be used to help identify analogous colours. Analogous colours are typically found next to each other on the colour wheel.
Designers and developers use font styles to denote differences in meaning between two or more words, phrases, sentences, paragraphs, or blocks of text. Typical font styles in CSS and web development are normal, italic, oblique and inherit.
A triad is a group of three colours that are equally spaced on the colour wheel.
A concept used in systems design to describe the negative consequences of making seemingly innocuous design changes. Shorthand for a product's delayed but inevitable need to be reworked due to earlier, seemingly trivial decisions not having been fully thought through in the original release.
Designers incur this "debt" by making quick and easy choices that save time in the present but cause more complex problems later on down the road when it becomes necessary to change or add something.
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
The way characters are capitalised within a word or phrase. Common font cases are uppercase, lowercase, capitalised (or title case) and sentence case.
The use of repeating elements and motifs for decorative purposes. In design, repetition occurs in many ways. It can be achieved by using a shape or design element in a pattern, and it can also be achieved through the use of multiple shapes or motifs that have similarities
The setting on a camera's lens which controls how much light comes into the camera. Aperture settings can usually be set to F-stop values ranging from F1.4-F22. The higher the aperture value, the smaller the opening is, and vice versa, which affects the depth of field in photos and how much light reaches and illuminates a subject or scene in a photo.