dimensions

That sounds more like a very personal belief - wouldn't tie in with another's belief of reincarnation, where one is reborn generally many times as a human.

again,why does everyone make it un-nessassarily difficult?

Why do you make it unnecessarily difficult to understand what you're trying to say? You can't make somebody conform to your set of beliefs.

oh,yeah im sorry i just realised that was kinda rude.sorry.

That's okay

This thread has been moved to Misc Topics from General Info.

you have to be reborn many times as a human, cause u have to experience different things before u can move on.

This "ghost world" definition is an idividual beleif. There are many theories and names for what the "fourth world" is-the astral plane, the fourth dimension, etc. Try to see it from a more general sense.
Your friend was most likely referencing to the astral plane.

We speak of truth contact, not of convenience. We are here to inform not to control. I believe nothing is " high level" stuff, for that is a matter of opinion

Also scientists know of ten possible dimensions. I stress "possible" for this is theoretical and not proven.