Shade

A small, non-preview image that accompanies a larger image. It provides an immediate sense of the content while not necessarily revealing it in its entire scope.

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.

How well or poorly something can be read.

A key performance indicator is a variable that measures how well an entity is performing. It's a figure that designates an individual or item's performance level. A particular company may use metrics such as sales, revenue, production, and market share to gauge the success of their firm.

Text that is used to fill in a gap in a document.

A small picture or design that represents an idea, function, or some other type of visual concept. For example, in computer graphics and web development, an icon is a pictorial representation of a program or file type.

The art of decorative writing practised by many different people in many different cultures. Calligraphy is sometimes used to add a personal touch to wedding invitations, special event invitations, and other projects.

Generally used when a page has so much content that it would be impossibly long to load the entire page at once. Infinite scroll consists of an auto-generated list of items that constantly loads new items as they load off the bottom of the screen.

A discipline that analyses the usability of an application by assessing its interaction design and user experience.

The number of visits that result in a purchase or some other goal. It can measure any conversion event, such as download, registration, purchase, etc.