A casino lobby may look like one screen, but it relies on separate provider...

https://zulu-wiki.win/index.php/What_Does_%E2%80%9CBetting_Window%E2%80%9D_Mean_in_Live_Casino%3F

A casino lobby may look like one screen, but it relies on separate provider integrations, balance records and payment updates. Those systems need to stay in sync so a game launch, wager and account balance make sense together.