It’s just a different way of thinking. Once you load a sound into a pattern (or create one from scratch) it stays with the pattern until you save it elsewhere. This means that sounds loaded from the sound pool/manager are detached, and become part of the pattern… with the exception being sound locks, which are tied to the version in the sound pool, and can be modified only using parameter locks or re-saving the sound to the pool.
It does seem to take a bit of getting used to, especially in comparison to say, the Monomachine, but I kinda like it that way, as each pattern can be totally unique. It’d be nice though if it were possible to copy all track sounds and paste them into an existing pattern, essentially replicating kit structure in a way.
Hope that makes sense… I’m kinda rambling at this point haha