The phrase "arena of action" is correct and usable in written English.
It can be used to describe a specific context or environment where activities or events take place, often in a competitive or dynamic setting.
Example: "In the arena of action, various stakeholders must collaborate to achieve common goals."
Alternatives: "field of activity" or "sphere of engagement".
Detectives work the streets an arena of action, vice, lust, greed, aggression, and violence to gather shards of information about who did what to whom.
In previous centuries, when governments were made up of a handful of departments – trade, foreign affairs, treasury and military – the plenaries were the arena of action.
"I am anguished to think how deeply disappointed Mr. Obuchi must have been to have had to retire from the arena of action, felled by an unforeseen illness," Mr. Mori said.
Another attribute of republicanism is that once this common process is initiated, creative answers to obstacles do not emerge only from the strategy room at the top of the campaign but also from a much larger arena of action, where organised structures at every level constantly produce new solutions.
Hence, matter remains as the origin of existence and the arena of action, and the realm of essence encompasses all possible thought.
It also involves the wisdom required to avoid overcommitment of resources; this is a time for solidifying gains before launching into larger arenas of action.
By the early 1990s policy-makers, particularly in Europe, came to see RTD and innovation policies not just as important arenas of action in themselves, but as instruments towards more wide ranging policy objectives.
Sometimes he's amused; most often he's meditative, and unless you respond to this mood, the movie is so overly polite you may want to shout a rude word".The Chess Players" becomes epigrammatic in form as it cuts among its three arenas of action, which are the equivalent to plot lines.
His life in itself illustrates the importance, recognized by Socrates, of cultivating courage in all the arenas of action and suffering The dialogue begins with a specific query about military training for the young.
In the arena of live action, fantasy television series Once Upon a Time regularly include live-action interpretations of characters including Snow White, the Evil Queen and Grumpy.
My well-nurtured ego thought of the outside world as the waiting arena of my actions, where all humanity was expectantly assembled for me, yet when I arrived I found that no one knew my name nor wished to learn it; I was a king without any subjects.
