Key themes will include human legacy and the ideas they express through lighting, subject and object choices.

UNESCO: UK National Commission for UNESCO - Crossing the frontiers of learning: Hadrian��s Wall setting of new online learning resource

They considered whether what we call prepositions occur before or after a noun ("in the boat" versus "the boat in") and how the word order of subject and object work out in either case ("I put the dog in the boat" versus "I the dog put the canoe in").

BBC: Language universality idea tested with biology method

It was the subject of much debate and diplomacy at G20 summits, and the object of much blame and many bills in America's Congress.

ECONOMIST: Exports

Is someone going to object and say they prefer an economy where total wages and profits are subject to booms and busts?

FORBES: Dan Mitchell Wants to Ditch Keynesian-Laced GDP -- He's Right

The subject of the painting stops being what the artist chose to depict, but the object itself and what it represents.

BBC: Too famous to see?