Colours that directly across the colour wheel, like blue and orange. When you put these colours next to each other, they make a great contrast together. Complementary colours are often found in nature.
A language used to create web pages, and it stands for Hypertext Markup Language.
A portion of an image where the remainder is discarded.
A design language developed by Google. The goal of Material Design was to create fluid, natural movement for users on any platform they happen to be using.
A mark or symbol used to represent an institution, organisation, person, or group, and it is usually displayed on flags and seals.
The setting on a camera's lens which controls how much light comes into the camera. Aperture settings can usually be set to F-stop values ranging from F1.4-F22. The higher the aperture value, the smaller the opening is, and vice versa, which affects the depth of field in photos and how much light reaches and illuminates a subject or scene in a photo.
A measure of the ease of understanding text.
The meeting point where two lines cross.
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.
Layout is a defining characteristic of design. It dictates the positioning of content and design elements. Layouts can range from the simple, such as a four- or two-column layout, to more complex designs like grids with multiple hierarchy levels.
A phenomenon in psychology in which recalling items in a list imposes an order on the list, with the first and last items remembered best. That is, if given a list of words to remember like "dog apple tree", people will tend to recall "dog" as being at the beginning of the sentence and "tree" as being at the end of it.