Endocentric Structure
In theoretical linguistics, a distinction is made between endocentric and exocentric constructions. A grammatical construction (for instance, a phrase or compound) is said to be ''endocentric'' if it fulfils the same linguistic function as one of its parts, and ''exocentric'' if it does not. The distinction reaches back at least to Bloomfield's work of the 1930s, who based it on terms by Pāṇini and Patañjali in Sanskrit grammar. Such a distinction is possible only in phrase structure grammars (constituency grammars), since in dependency grammars all constructions are necessarily endocentric. Endocentric construction An endocentric construction consists of an obligatory head and one or more dependents, whose presence serves to modify the meaning of the head. For example: # NP_ A_big.html"_;"title="sub>NP_[A_big">sub>NP_[A_big[N_house.html" ;"title="sub>A_big.html" ;"title="sub>NP [A big">sub>NP [A big[N house">sub>A_big.html" ;"title="sub>NP [A big">sub>NP [A big[N house #[VP ...
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Endocentric Environment
In the field of user interfaces, an endocentric environment refers to a virtual reality or some other immersive environment which is introduced directly into the user's senses (for example by using VR goggles). Systems which display a virtual reality indirectly to the user (for example by placing the viewer in a room made up entirely of rear projection screens) do not qualify. See also * Exocentric environment In the field of user interfaces, an exocentric environment refers to a virtual reality or some other immersive environment which completely encompasses the user, e.g. by placing the viewer in a room made up entirely of rear projection screens. Sy ... Virtual reality {{Software-type-stub ...
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