Black, white, and all the values of shades in between.
A graphical representation of the density and distribution of data points. Denser regions in the image are interpreted as the data points' frequency, while lower densities are interpreted as fewer data points in that area.
Heatmaps show you where people worldwide are clicking on content to help you understand how people interact with your website designs and content.
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.
A phenomenon in psychology in which recalling items in a list imposes an order on the list, with the first and last items remembered best. That is, if given a list of words to remember like "dog apple tree", people will tend to recall "dog" as being at the beginning of the sentence and "tree" as being at the end of it.
A unit of measurement that equals 1/6 of an inch, or 1/72 of a foot.
Colours on the same side of the colour wheel as red, such as pink, orange and yellow.
A UX design technique in which you divide your users into groups, show them cards with different names for unrelated objects and ask them to categorise them.
A PNG (Portable Network Graphics) file is a bitmap image format that has been designed to store images with an alpha channel. This format is primarily used for transparency so that it can be placed over other graphics in many design applications.
Also known as text colour, is a visible attribute of text determined by the combination of text and background colour.
JPEG stands for Joint Photographic Expert Group, an international standards body that sets standards for creating and handling compressed digital images. The JPEG file format was designed to balance good visual quality and small file size, typically through lossy compression. The JPEG file format is widely used as a means of compressing digital images, particularly those produced by digital cameras.
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.