A rule of thumb used in photography to create more visually appealing images which states that an image should be composed so that the subject or focus of the image occupies one-third of the picture space, with two equal vertical lines dividing their composition into two.
A sample of the target audience for which a product or service is intended.
When you need to break a line of text and start on a new line in a text box.
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.
A type of text used as filler or placeholder text. Since the dawn of time, it has been around and is sometimes erroneously referred to as "a nonsense sentence used by printers who have run out of typesetting space".
Contrast in design can be accomplished by placing two opposite colours adjacent to one another, creating a focal point within the design that dominates the composition.
A unit for defining the size of a font. It's not a distance; this unit's measurement is only relative to the typeface's design.
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.
Also known as text colour, is a visible attribute of text determined by the combination of text and background colour.
The design of the interaction between users and products. Interaction design is focused on creating products that enable the user to achieve their objective(s) in the best way possible.
A decoration technique used primarily on paper, metal, and some plastics in which ink or another printing medium is pressed into the material's surface to create a three-dimensional effect.