An operator runs the casino site and manages accounts, payments, and game...
https://sofiascoolcolumn.rivetgarden.com/posts/what-are-common-signs-a-slot-game-needed-more-testing
An operator runs the casino site and manages accounts, payments, and game access. A slot provider makes the game. Provider names show who created each title and help you browse a catalogue. Different visuals or sound do not change the game’s rules.