It was a bold decision, given an untested concept and central-city rental prices.

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Speaking from the East and Central Africa region, the concept of supply chain, in its true form has not yet reached here.

FORBES: Why the Supply Chain is Dead

This concept is so central and core to the company, that it offered cash to random math geeks who might help them improve their formula.

FORBES: Dear Netflix: It's Time To Fix Your Algorithm

Sir Stephen Bubb said the concept, which was central to the Conservatives' 2010 general election campaign, appeared to be "going nowhere".

BBC: UK Politics

Friendship was a term that was crucially important at the time because from, really, classic antiquity - from Cicero, Plato, Aristotle forward through the 19th Century - friendship was a central philosophical, political, intellectual concept.

NPR: Lincoln and Douglass Shared Uncommon Bond

In Welsh and Celtic mythology, the concept of rebirth is a central one.

BBC: Testing the cultural temperature

This poses problems for Apple, whose central strategy for music in the streaming world has involved the concept of having a collection.

FORBES: Apple's iTunes Is Quietly Losing Some Of Its Luster

His dedication to the art that was central to his existence, his proselytizing zeal for new work that pushes concept and practice beyond existing limits, his driving belief in architecture as the defining art of the present and the past, did much to re-establish a sense of the importance of the way we build in an age that worships the beauty of the bottom line.

WSJ: Philip Johnson: Short of Attention Span, Long on Aesthetics

Apple has also made a lot of noise about the concept of the "digital entertainment hub, " where its computers become central to serving up various types of digital entertainment, whether music or video.

FORBES: Magazine Article

Central to that bill--and others backed by the White House--is the concept of "guaranteed issue, " where everyone gets the same insurance quote, regardless of their medical history.

FORBES: Magazine Article