Miller's Law

An observation in Psychology that suggests that the number of mental objects the average person can keep track of is seven (plus or minus two).

More terms you might want to know

Sketching

A basic design tool that helps designers create and communicate ideas.

Terminal

The end (straight or curved) of any stroke that doesn’t include a serif. Some typefaces feature ball terminals on letters such as the ‘f’, ‘a’, and ‘c’.

Class

A selector that can be applied to any HTML element. Classes should be used when designing for multiple instances. For example, if you want all <h1> tags in the website to look blue, then you could use the class="blue-text" attribute.

Link

A prominent design feature of web applications. Links can be used to navigate websites, provide shortcuts to content, or change views within a web application. These links allow for ease of access and save time when users need to find information or use services from other domain names.

Printer's Proof

A print that the printer receives to monitor the progress of production. Proofing is a matter of looking at the print to ensure that it has been printed correctly and that the colours are rendered accurately.

Hard Return

When you need to break a line of text and start on a new line in a text box.

Orphan

One or more words (typically at the end of a paragraph) that are separated from the rest of the text. Orphans are generally thought of as bad design, but it’s a matter of taste.

Gestalt Theory

A theory in psychology that discusses the general idea that the whole is greater than the sum of its parts. It's based on a human need to search for stability and meaning, which leads to organic movements towards wholeness. Gestalt Theory assumes there are inherent flaws in how we perceive forms and patterns, and it holds that this innate tendency transforms into an active process of looking for order in reality.

Crop Marks

Also called trim marks, are markings on artwork that tells the printer where to cut the page.

Card Sorting

A UX design technique in which you divide your users into groups, show them cards with different names for unrelated objects and ask them to categorise them.

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