And, although this has given Mr Brown great power, which he has jealously guarded, his range of interests is surprisingly narrow.

ECONOMIST: Bagehot

Generally, their success is tied to doing a very narrow range of things very well.

FORBES: Defend Your Sweet Spot

Wadi Rum is a varied desert landscape consisting of a range of narrow gorges, natural arches, towering cliffs, ramps, massive landslides and caverns.

UNESCO: Office in Amman

Linux is particularly suited to business customers with a narrow range of specialised tasks, such as call centres.

ECONOMIST: Big Blue becomes bountiful | The

The weekly on-balance volume (OBV) has been in a narrow range for the past four months, and is now testing key resistance (line c).

FORBES: A Green Light For Gold Prices?

Additionally, the N9 suffers from the typically narrow dynamic range of smartphone camera sensors, which is the cause of the consistently blown-out sky in our gallery images.

ENGADGET: Nokia N9 camera: sample images and video Hands-on

There is a so-called keyhole a narrow range of orbits that would return Apophis in 2036, should it pass through the keyhole in 2029.

ECONOMIST: The American Association for the Advancement of Science

Into this melange comes Acer's Iconia Tab A200, a tablet whose sole distinction is its Android 4.0.3 OS. With a narrow range of configurations that are too closely priced for the slight storage upgrade offered and a processor that grows more dated and comparatively sluggish as the year progresses, it's difficult to hone in on a bright spot for the bulky slate.

ENGADGET: Acer Iconia Tab A200 review

All the Fed has to do is look at the market price of gold: If it moves outside a certain narrow range, the monetary authorities should react by either tightening or loosening the money supply.

FORBES: Alexander Hamilton Got It Right

Scotland's economic output - measured by gross domestic product - is predicted to increase in the range of 1% to 1.5% next year, which will narrow the gap with the UK average.

BBC: Scots house prices to match UK rises