Final answer:
An arena is a place for indoor games, hockey, wrestling, or racing. It can also be a performance space for theater productions and concerts.
Step-by-step explanation:
Arena is a place for indoor games, hockey, wrestling, or racing. In the context of the question, an arena refers to a space where various indoor sports or activities take place. It can also be used as a performance space for theater productions and concerts.
For example, an arena can be an indoor stadium where hockey or wrestling matches are held. It can also be a theater-in-the-round, where the stage is in the middle and the audience surrounds it on all sides. Additionally, an arena can be an amphitheater used for performances and events.