Dedicated lanes give buses an uncongested path, and traffic-signal priority gives buses the power, once reserved for emergency vehicles, to switch signals from red to green as they approach.

FORBES: Busting Bus Bunching With Traffic Signals

On Friday, in an internal memo to News International staff, James Murdoch explained News Corp's withdrawal of the proposal to acquire the shares in BSkyB it does not already own as being "a strong signal that our top priority in the UK is to address the issues facing News International".

BBC: BSkyB: Decision expected on James Murdoch's role

It sends a signal that Europe is making growth its priority, but will these lower costs be passed on to the small and medium-sized companies, which are the engine room of most European economies?

BBC: Europe: a cautious rate cut

It is also to signal to Singaporeans that they will receive top priority on all housing policy matters, as it should be for citizens of any country.

FORBES: Will a 30% Plunge in Singapore's Real Estate Market Attract American Immigrants?

Giving your partner a vacation will signal commitment and that time together is a high priority.

FORBES: What Your Holiday Gift Says About Your Relationship

What was he trying to signal about where climate change would fall on his priority list in a second term, and is there any upcoming action that you can point to that he's going to take on that topic?

WHITEHOUSE: Press Briefing

It may also signal further cuts ahead, particularly in Europe, as inflationary pressures subside and the need to spur growth takes priority.

FORBES: Central Bank Rate Cuts: Just The Beginning