The print resolution of a printer. It's a measure of how many dots per inch can be printed on paper. Higher DPI means more detail and smoother transitions between colours.
CSS or Cascading Style Sheets are a language for describing the look and formatting of HTML elements in a webpage.
The height of a font, measured in points or pixels.
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.
The process of adding game-like qualities to an experience like a website or application. To ensure that these activities are engaging enough for the users, it often includes gradual rewards such as levels and badges systems, which can further encourage engagement with the app.
Colours on the opposite side of the colour wheel to warm colours. Typically bluish in tone, such as blue or green.
The unused or empty space in a composition of images, either two-dimensional (as with paintings) or three-dimensional (as with sculptures).
The small, non-essential text that appears on an interface. It has been set up specifically to be short and concise to draw attention to an essential user experience.
A way of developing new products or services using a process of repeated and regular refinement, in which prototypes are made, evaluated, revised, and re-evaluated until the desired result is achieved. High profile companies have successfully implemented iterative design to create effective and innovative products.
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 PNG (Portable Network Graphics) file is a bitmap image format that has been designed to store images with an alpha channel. This format is primarily used for transparency so that it can be placed over other graphics in many design applications.