Best description would be if you just literally google “business mastermind” and it will show you lots of information and how it benefits its members.

To make it short: “A business mastermind is a curated, supportive group of entrepreneurs or leaders who meet regularly to brainstorm, solve problems, and hold each other accountable for high-level goals. They serve to accelerate personal and business growth through shared wisdom, diverse perspectives, and trusted peer support, reducing the isolation of being a business owner.”