A mark or symbol used to represent an institution, organisation, person, or group, and it is usually displayed on flags and seals.
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.
Also known as text colour, is a visible attribute of text determined by the combination of text and background colour.
The process of adjusting the spacing between individual letters to improve or avoid particular visual distortions.
A technique for understanding people’s experience of a product or service. Participants are asked to keep daily records of their experience using the product, and these records are taken into consideration when designing the design.
The distance between two points of extrusion or an object. It can also be defined as the measurement of size.
A rule of thumb used in photography to create more visually appealing images which states that an image should be composed so that the subject or focus of the image occupies one-third of the picture space, with two equal vertical lines dividing their composition into two.
The process of arranging objects in a consistent and even spatial relationship. It can refer to how text is aligned with respect to its margins or how any two or more things are aligned in general.
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.
The surface quality of an element.
The word "bracket" is often used to refer to parentheses and is written as either  or () and used to delimit blocks of text, e.g. a set of instructions. Within brackets, items are arranged from left to right in order of precedence.