The points in the second chart cluster much more closely around the line than the points in the first chart.

FORBES: John Mauldin's Muddled Stock Return Model

But it is not known whether the loop structure is physically associated with the Arches Cluster or just happens to be in the same line of sight.

BBC: Arches Cluster, Leicester

Mr Woo argues, in line with an old, oft-neglected bussiness tradition, that a cluster of competitor-neighbours has more customers.

ECONOMIST: The puppet-master of toytown