The 'arena' group
These nouns are used to refer to a particular field of activity. Apart from circles, they usually come after the.
arena circles domain field firmament forum milieu realm scene sector stage world
He said the attack was a price they had to pay for entering the political arena.
Amis was not much admired in academic circles where he was seen as having committed several vulgar errors.
And the resultant statistics are, as a consequence, kept out of the public domain.
Vacancies for temporary staff in the medical field are increasing dramatically.
He knows the international scene both as player and manager.