OK we all know Kiersey's temperaments. Socionics' temperaments are similar. They are made up of your version and ality: Ij, Ej, Ep, Ip.

But let's take a look at Jung's own description of the four combinations of these two preferences...

I am sure you'd find many things that you have not noticed before. I had to abridge and change some of the wording to make it easier to understand. The translation was terribly verbose and confusing...