Though pianists can be formidably accomplished, a certain musical and personal dimension often seems to be missing.

ECONOMIST: The keys of the kingdom | The

He argues that since people also make a mess, according to the mayor's reasoning they should also be removed. (Londoners must hope that the mayor is not persuaded by this reckless line of argument.) There is a personal dimension to the battle: Mr Livingstone and Mr Banks have been rivals in London's Labour Party for decades.

ECONOMIST: Battle of Trafalgar Square | The

Just when you think you have mastered all there is to know about social networks and traversing the canyon that is personal versus professional, another dimension comes into play.

FORBES: Beyond LinkedIn: Putting Relationships To Work With Datahug

Squash players also have a tendency to blow up - smashing rackets and outbursts - because they have to deal with the added dimension of sharing personal space in a non-contact sport, he says.

BBC: Why are tennis players so badly behaved?

She believes the statue has a psychological dimension depicting the sculptor's personal fears about his attractions to women.

WSJ: New Outrage Over Infamous Statue