> The order of execution of the recorded commands inside a command buffer is NOT guaranteed to complete in the order they were submitted: the GPU can reorder these commands in whatever order it thinks is best to complete the job as quickly as possible.

It's my understanding that commands inside of a command buffer are guaranteed to complete in order. The synchronization must happen when you are `vkQueueSubmit`ing multiple command buffers, no? I think that's what they meant to say?