CSS

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.

A rule of thumb used in photography to create more visually appealing images which states that an image should be composed so that the subject or focus of the image occupies one-third of the picture space, with two equal vertical lines dividing their composition into two.

A way to create and test designs. Designers use design sprints as a time-intensive method of quickly testing ideas and then pivoting into designing for user needs. A designer may then take the prototype they created on the first day of the design sprint and fix any usability issues with it, which is a quick way to get feedback on their work before continuing development.

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

The art and technique of arranging type to make written language legible, readable, and appealing when displayed.

A process that involves assigning people to work on different parts of the design and making sure that they focus on one area at a time. This method is an excellent way to release products more quickly and with higher quality.

The most common types of agile methods are Scrum, Kanban, XP and Agile Modeling. It can often be difficult for companies to make the switch because it requires significant changes in how product development occurs.

The degree of difference between the two sides of an object or system.

A small, non-preview image that accompanies a larger image. It provides an immediate sense of the content while not necessarily revealing it in its entire scope.

The Pantone Matching System is a colour-matching system for printing inks. It is a proprietary colour-matching system that was developed so that when an artist picks PMS colour or swatch, they can be confident in knowing what colours would be produced no matter the application.

A philosophy that companies should take a user-centred approach to design, making sure they focus on the customer's needs and not on their company's needs. UX designers need to figure out what users want before building something and not after. They must also ask themselves if including "features" will provide any value to the product or service.