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.
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 system of columns and rows designers use to create layouts. It's used in graphic design and web development to align elements for easy use on the page. Grids are a key part of design because they help you create balance, rhythm, proportion and hierarchy in your layout.
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.
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 set of symbols or "characters" including letters, numbers and various other symbols.
A unit of measurement that equals 1/6 of an inch, or 1/72 of a foot.
The way characters are capitalised within a word or phrase. Common font cases are uppercase, lowercase, capitalised (or title case) and sentence case.
How well or poorly something can be read.
The distance from the baseline to the top of a capital letter, number, or other upper-case glyphs.
The adjustment of all characters in a line by moving them closer together or farther apart.