Sketching

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).

The study of how colours are related to one another. It is about how we see colour, mix and modify it (according to our needs), and put colour together to achieve the desired mood or atmosphere.

Also known as text colour, is a visible attribute of text determined by the combination of text and background colour.

An Adobe Illustrator vector format file. Files with the extension .ai are often used for artwork and illustrations as users can resize them without distortion. It is composed of several layers with objects and text on each layer. Users can import Illustrator files into many other programs like InDesign, Acrobat, Photoshop etc. If you design or print your t-shirts, you can create your designs in Illustrator and apply them to your t-shirt using a heat press.

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.

A type of user interface design carefully crafted to trick people into doing things they might not want to do.

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’.

A well-known cognitive psychologist's principle that says that the time it takes to make a decision varies logarithmically according to the number of choices. As more options are presented, more decision time is required due to the mental work of comparing and contrasting each potential option.

A discipline that analyses the usability of an application by assessing its interaction design and user experience.

All available space (line-height) between two consecutive lines of text; this measurement should be adjusted for either ascenders or descenders. In hand typesetting, leading referred to thin strips of lead inserted by hand between lines of type in the composing stick to increase vertical distance.