All available space (line-height) between two consecutive lines of text; this measurement should be adjusted for either ascenders or descenders. In hand typesetting, leading referred to thin strips of lead inserted by hand between lines of type in the composing stick to increase vertical distance.
The principle of both sides of an object having a sense of symmetry. It ensures that the weight and visual mass are distributed evenly on both sides of a surface. Balance is more important than symmetry because people don't often notice when something is asymmetrical, but they will always see if something is unbalanced.
A logo which is usually a combination of text and graphic imagery that acts as the company's symbol.
Also known as an Ishikawa diagram, is a widely used technique in project management. The diagram provides a means of evaluating the cause-and-effect relationship between the various activities necessary for completing a project by visualising all activities in the project as bones that interconnect on an anterior and posterior spine, with causality flowing from one to another.
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.
Vector graphics are made up of two sets of points: control points (which determine shape) and anchor points (determining length). Anchor points attach geometry to form a shape like a ball or a heart.
JPEG stands for Joint Photographic Expert Group, an international standards body that sets standards for creating and handling compressed digital images. The JPEG file format was designed to balance good visual quality and small file size, typically through lossy compression. The JPEG file format is widely used as a means of compressing digital images, particularly those produced by digital cameras.
A unit of measurement that equals 1/6 of an inch, or 1/72 of a foot.
The measure of a device or computer system's ability to capture fine detail. A higher number of pixels can provide more details and finer images on the screen.
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 well-known UI element in computer applications. It's an expandable menu of context-specific commands typically launched from the application's main menu.