The space that an item has around it.
The path of any movement, mark, shape, or other feature of a design. It can be the border of an element or even the tight edge of a text box, etc.
A way of developing new products or services using a process of repeated and regular refinement, in which prototypes are made, evaluated, revised, and re-evaluated until the desired result is achieved. High profile companies have successfully implemented iterative design to create effective and innovative products.
An example of a typical user and the actions they take. Typically these are written in the form of a story.
A selector that can be applied to any HTML element. ID should be used when designing for a single instance, such as using the id="main" attribute on an <h1> tag.
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 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 height of a font, measured in points or pixels.
The degree of difference between the two sides of an object or system.
Designers and developers use font styles to denote differences in meaning between two or more words, phrases, sentences, paragraphs, or blocks of text. Typical font styles in CSS and web development are normal, italic, oblique and inherit.
The design of the interaction between users and products. Interaction design is focused on creating products that enable the user to achieve their objective(s) in the best way possible.