A selector that can be applied to any HTML element. ID should be used when designing for a single instance, such as using the id="main" attribute on an <h1> tag.
The arrangement of different elements in relation to each other so that they appear to be mirrored. Symmetrical designs can be found throughout art and architecture, as well as in nature.
In typography, a bowl is a curved shape used to control the area of white space.
A well-known cognitive psychologist's principle that says that the time it takes to make a decision varies logarithmically according to the number of choices. As more options are presented, more decision time is required due to the mental work of comparing and contrasting each potential option.
A mark or symbol used to represent an institution, organisation, person, or group, and it is usually displayed on flags and seals.
A greater typographic weight than the standard typeface, often used to highlight text that the writer wants to emphasise or denote sections, headlines or quotes in printed material.
Bold type is a little heavier than the average type because of its higher contrast, making it more readable. The opposite of bold type is light type, also known as regular or book.
A printing press that uses movable type and punches to make impressions on paper.
Usually the first functional form of a new product, created to test a concept or prove out some aspects of design.
Red, green, and blue. These colours can be used to form a wide variety of colours in different devices such as computer monitors and televisions.
A design or decoration impressed into the surface of a material.
A sample of the target audience for which a product or service is intended.