Feature

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In archaeology a feature refers to any dug, built or dumped evidence of human activity. Examples include ditches, pits, kilns, hearths and postholes
In geographic information systems, a feature comprises an item of feature data.
In image processing, a feature is a picture element which can be used for recognition.
In the leisure industry, a feature may be a feature film or a radio documentary
In the news industry, feature journalism provides extended articles or items about events, persons or circumstances.
In phonetics and phonology, a distinctive feature is a property of a certain sound (phone) or of a certain phoneme.
In software or gadgetry, marketeers speak of a feature meaning a "capability" or a "tool." Can also be used as a sarcastic slang term for a software bug.
In telephony, a feature is an atomic piece of functionality that can be sold individually to customers or combined with others to create a composite service
In statistics and data mining one of the dimensions in feature space, s.a. feature selection and feature extraction.

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