An operator runs the casino site and manages accounts and payments. A slot...

https://wiki-coast.win/index.php/What_Does_It_Mean_When_People_Say_a_Slot_Is_%E2%80%9CJust_Presentation%E2%80%9D%3F

An operator runs the casino site and manages accounts and payments. A slot provider makes the game. Provider names help you see who built a title and find that studio’s other games. Visuals and sound may differ, but they do not change the game rules.