A statistical method in which two variants of the same activity are compared against each other (typically with several variants), one at a time, and the most effective variant is selected.
A mark or symbol used to represent an institution, organisation, person, or group, and it is usually displayed on flags and seals.
The distance from the baseline to the top of a capital letter, number, or other upper-case glyphs.
A graphical representation of the user on a device, used to represent various users in different contexts. It can be a photo, image or drawing.
A concept used in systems design to describe the negative consequences of making seemingly innocuous design changes. Shorthand for a product's delayed but inevitable need to be reworked due to earlier, seemingly trivial decisions not having been fully thought through in the original release.
Designers incur this "debt" by making quick and easy choices that save time in the present but cause more complex problems later on down the road when it becomes necessary to change or add something.
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.
The distance between two points of extrusion or an object. It can also be defined as the measurement of size.
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 graphic representation, such as an icon, of a company or brand. Pictorial marks can be used on marketing materials to communicate the intentions and personality of the company. Factors such as colour, placement, and shape are significant in how the general public perceives a pictorial mark.
A phrase that is used in reference to someone's work. The term pixel-perfect can be used to describe something as being flawless without any errors.
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.