A process in which subjects use a product or service under test conditions and report their experience.
A graphical representation of the user on a device, used to represent various users in different contexts. It can be a photo, image or drawing.
An element that prompts viewers to take a desired course of action. This type of marketing technique is used by businesses and marketers to increase page visits or sales in a certain period.
A type of font designed to imitate handwriting.
A set of symbols or "characters" including letters, numbers and various other symbols.
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.
Also known as text colour, is a visible attribute of text determined by the combination of text and background colour.
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.
A technique used to sequentially present items in a list or other data set that are too long to display at one time.
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.
Designers and developers use font styles to denote differences in meaning between two or more words, phrases, sentences, paragraphs, or blocks of text. Typical font styles in CSS and web development are normal, italic, oblique and inherit.