Let me provide some information about the Project feature in QuickBooks Online Advanced, dpeer.

QuickBooks Online Advanced and Plus have a feature referred to as Projects. I've added a screenshot for your visual guide: 

I've also added a comparison chart that will show the project feature included in the QBO Advanced subscription.

Furthermore, you can also check out this page to know more about what you can do with QBO Advanced: QuickBooks Online Advanced Features.

Drop a reply below if you need anything else. I'll always be right here to assist you all the time.