Kingdom Hearts 3 Isn't Kingdom Hearts 3?

Maybe I am just ignorant, but I thought the next Kingdom Hearts was well going to be a Kingdom Hearts. I know that there was going to be new characters... but theres always new characters. But the way Tetsuya talks its straight up going to be its own unique IP with the Kingdom Hearts name and will be it's own series not entirely related to the first 2.
"First, it's not Kingdom Hearts III," Nomura told Dengeki PlayStation. "Of course, because we're calling it a 'new' series, it won't be KHIII. Also, it's a series, so it probably won't be just one title." According to Eurogamer, this new title is still expected to share some similarities with the popular Kingdom Hearts series, though.
Maybe I am the only one that didn't know, so does that mean that it will be like... say Tactics is to Final Fantasy? Sort of like a spin-off using various known laws in the Kingdom Hearts universe?

I really can't say I fully understand what is going on, but Nomura did mention that the characters we have seen in the secret endings will have some connection to the upcoming game (I mean god I hope so?).

[via QJ]