I think what you are referring to as buffer is actually called a 'window' in vim. It is my understanding that a Tab can have Windows (created with veritical and

I think what you are referring to as buffer is actually called a 'window' in vim. It is my understanding that a Tab can have Windows (created with veritical and horizontal splits), and Windows have buffers. You can switch buffers in the same Window, something I find very confusing.