A sample of the target audience for which a product or service is intended.
Scope creep is when the scope of a project starts to grow without any agreement on how it's going to be paid for. Creep happens because items and features are tacked on top of the original scope of work agreed upon in the original contract.
A selector that can be applied to any HTML element. ID should be used when designing for a single instance, such as using the id="main" attribute on an <h1> tag.
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 type of understanding that is achieved by taking the perspective of another individual. Different people's perspectives often have different needs and values, so empathy can help you understand those differences.
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 type of font designed to imitate handwriting.
A type of font that comes pre-installed in an operating system.
A design or decoration impressed into the surface of a material.
A technique used to sequentially present items in a list or other data set that are too long to display at one time.
Also known as caps, a type property that specifies that all letters in a body of text are capitalised.