Class

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.

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 psychological phenomenon that states that people tend to remember unfinished or interrupted tasks better than completed tasks.

The art of drawing original characters and symbols — especially for decorative purposes.

A Tagged Image File Format is a file format for storing images losslessly.

An imaginary line on which most letters "sit". As such, it equals the height of an em square. The expected result of a baseline is to reference the height with which text is aligned. The alignment ranges from ascenders, which are the upper strokes in b, d, and h, down to descenders like j or y.

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 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.

A type of user interface design carefully crafted to trick people into doing things they might not want to do.

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