@WayneSchulz When I dumb it down for customers, cloud implies that the basic ERP software is not on-premise. Having ""cloud"" based add-on's or components does not make the ERP software ""cloud."" MAS is on-premise, but it can be implemented to run ""in the cloud""... which simply means it's hosted, regardless of whether it runs on clients hardware or not.
As regards to vendors claiming their products are cloud because a few components take advantage of that technology: You can put a Mercedes hood ornament on a Honda and call it a Benz, but it doesn't make it so.