Saturation

Generally used when a page has so much content that it would be impossibly long to load the entire page at once. Infinite scroll consists of an auto-generated list of items that constantly loads new items as they load off the bottom of the screen.

Also called trim marks, are markings on artwork that tells the printer where to cut the page.

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.

The ratio of a rectangle's width to its height. It is measured by dividing the shorter side length, here "w" or width, by the longer side length, "h" or height. The aspect ratio may be given as either a fraction or as a decimal.

Text that flows from right to left and is the default reading direction of a page with its content aligned on the right margin.

A usability assessment method that is used to evaluate a design against established usability principles or heuristics. It is based on the idea that designers can use their experience to find areas of poor design without extensive user testing.

The intensity of a color relative to its own brightness. Colours are said to be saturated when they have a strong hue and high intensity.

Also known as text colour, is a visible attribute of text determined by the combination of text and background colour.

A type of typographical contrast used to convey emphasis. Italics were initially developed for the printing press and are now widely used in print, web design, public signs and labelling systems.

A symbol that is used in the design industry to give a more personal touch. Lettermarks can be an individual's name or initials that are cleverly designed and incorporated into a company's logo.