An abbreviation for Portable Document Format. The PDF format was originally developed to share documents between different operating systems in the late 1980s. Any text document, image or page layout can be saved as a PDF file that includes all of the font information needed to display it without losing quality.
The principle of both sides of an object having a sense of symmetry. It ensures that the weight and visual mass are distributed evenly on both sides of a surface. Balance is more important than symmetry because people don't often notice when something is asymmetrical, but they will always see if something is unbalanced.
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.
A tool that allows user experience designers, or people who design products and websites with consumers in mind, to track where users look on the screen. Eye-tracking can measure users’ attention and the duration of time they spend on different areas of a website. With this information, websites can create user experience solutions such as buttons with varying colours designed to catch the eye.
Red, green, and blue. These colours can be used to form a wide variety of colours in different devices such as computer monitors and televisions.
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.
In handwriting and calligraphy, ball terminals are the end of a stroke that resembles a ball. They are also used in some typefaces like cursive or old-style typefaces.
The print resolution of a printer. It's a measure of how many dots per inch can be printed on paper. Higher DPI means more detail and smoother transitions between colours.
A printing press that uses movable type and punches to make impressions on paper.
A style of architecture and design that was popular in the 1960s and 1970s. Brutalist buildings are typically characterised by durability, simplicity, and an emphasis on form following function. Brutalism is not a single style but an umbrella term for architecture with a stark and futuristic look.
The portion of a letter such as y, p, q or j that hangs below the baseline of the text.