How well or poorly something can be read.
A discipline that analyses the usability of an application by assessing its interaction design and user experience.
A set of colors which can be used to create a particular visual effect. It is usually composed of multiple primary, secondary, and tertiary colours.
A collage consisting of images, colours and text that is assembled to convey an idea or theme.
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.
The written information that accompanies a design.
A type of user interface design carefully crafted to trick people into doing things they might not want to do.
An abbreviation for Portable Document Format. The PDF format was originally developed to share documents between different operating systems in the late 1980s. Any text document, image or page layout can be saved as a PDF file that includes all of the font information needed to display it without losing quality.
The width and height of a document, after having been cut down to size from a larger sheet.
A system of columns and rows designers use to create layouts. It's used in graphic design and web development to align elements for easy use on the page. Grids are a key part of design because they help you create balance, rhythm, proportion and hierarchy in your layout.
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.