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.
A process in which subjects use a product or service under test conditions and report their experience.
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.
The art of decorative writing practised by many different people in many different cultures. Calligraphy is sometimes used to add a personal touch to wedding invitations, special event invitations, and other projects.
A Tagged Image File Format is a file format for storing images losslessly.
The last line of a paragraph following the rest, or a single line in a paragraph that is out of place with the rest.
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.
Black, white, and all the values of shades in between.
The measure of how easily light passes through a material. It is a quantitative characteristic that can be represented as a number within the range of [0, 1], and in some cases [0%,100%], with lower numbers indicating higher transparency.
A greater typographic weight than the standard typeface, often used to highlight text that the writer wants to emphasise or denote sections, headlines or quotes in printed material.
Bold type is a little heavier than the average type because of its higher contrast, making it more readable. The opposite of bold type is light type, also known as regular or book.
The word "bracket" is often used to refer to parentheses and is written as either [] or () and used to delimit blocks of text, e.g. a set of instructions. Within brackets, items are arranged from left to right in order of precedence.