Projection

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A projection can be any one of the following:

In cartography, a map projection.

In chemistry, any one of the following:
* Fischer projection
* Haworth projection
* Newman projection
* Stereochemical projection

In cinematography, projection refers to the display of a motion picture in a theater by means of a movie projector, more recently, by a digital projector. Other, similar, types of projection include overhead and slide projection, often used in educational settings.

In dentistry, enamel projections are focal apical extensions of the coronal enamel beyond the normally smooth cervical margin and on to the root of the tooth.

In digital identity, a projection is a transaction. See also link contracts.

In graphical projection, a 3D projection is any one of several ways of representing a three-dimensional scene in two-dimensional form, for instance, isometric projection, oblique projection, and orthographic projection.

In mathematics, a projection is any one of several different types of functions, mappings, operations, or transformations.

In military strategy and international relations, projection of force refers to the latent or actualized capacity to win armed contests in distant theatres.

In neuroscience, the projection of a given neuron is its collective output to other neurons.

In psychology, psychological projection

In relational algebra, an interdisciplinary field in the intersection of computer science, database theory, logic, and mathematics, see projection (relational algebra).

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