The adjustment of all characters in a line by moving them closer together or farther apart.
The measure of how easily light passes through a material. It is a quantitative characteristic that can be represented as a number within the range of [0, 1], and in some cases [0%,100%], with lower numbers indicating higher transparency.
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.
A type of design technique utilised in the creation of visuals and illustrations. Blur is used to create an impression of movement or a sense of depth.
The small decorative stroke at the end of a stroke in a letter, or a typeface.
Contrast in design can be accomplished by placing two opposite colours adjacent to one another, creating a focal point within the design that dominates the composition.
A unit for defining the size of a font. It's not a distance; this unit's measurement is only relative to the typeface's design.
One of the most common types of navigation in UI design. It's usually a system of one or more horizontal buttons placed at the bottom of the screen, directing users to other parts of an app or website. Bottom navigation is often used as an alternative to scrolling or tabbing through links on a page.
A name, symbol or other distinctive feature that distinguishes one business's product from another's, often associated with a logo, design, slogan and other items.
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 distance between two points of extrusion or an object. It can also be defined as the measurement of size.