A hash table.

Alternative spelling of bitmap

A thematic map in which the distribution of some property is shown using different colours.

Our models of the world, and our sensations of the world, are not the true world.

A representation of knowledge consisting of a graph of topics (representing any concept, from people, countries, and organizations to software modules, individual files, and events), associations (which represent the relationships between them), and occurrences (which represent relationships between topics and information resources relevant to them).

(transitive) To create a map of an area. / (transitive, by extension) To organise a plan; to analyze a situation; to figure out a problem. / (transitive) To make explicit; to explain in detail.

A diagram used to represent words, ideas, tasks or other items linked to and arranged radially around a central key word or idea.

A diagram showing the relationships among concepts, with the concepts drawn in boxes that are connected with labelled arrows denoting the relationships between concepts, such as "is a", "gives rise to", "results in", "is required by," or "contributes to".

Dated form of bitmap.

a user interface element similar to a graphical organizer, which visualizes connections between data by a series of shapes (or images) representing ideas and arrows representing relations between them.