At the moment, even though the UI doesn't show it, items (such as images) can be stored as overlapping with no problem. There should be UI feedback that you're trying to make an overlapping item as well as server validation that the item you're trying to add/move/resize is not overlapping any other items.
At the moment, even though the UI doesn't show it, items (such as images) can be stored as overlapping with no problem. There should be UI feedback that you're trying to make an overlapping item as well as server validation that the item you're trying to add/move/resize is not overlapping any other items.