Feature wiki:
>In archaeology a feature refers to any dug, built or dumped evidence of human activity. Examples include ditches, pits, kilns, hearths and postholesIn 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 documentaryIn 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"
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vertical wiki:
[ is in a vertical position when it is aligned in an "up-down" direction, perpendicular to the horizon.In science the vertical (or plumb line) is the direction of the force of gravity. A pair of angles are said to be vertical if they share the same vertex and are bounded by the same pair of lines but are opposite to each other.In music the vertical aspect is simultaneity, either intervals or harmony, as opposed to succession or the linear aspectIn marketing and business in general, a vertical informally means a vertical market.
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