Complex sentence: There exist two types of ports; one is called tall "or" "high reaching" that are the ones that serve international discharge, and the other one called of "cabotage" whose activity is focused on the activity between national ports.
Split into simpler sentences: There exist two types of ports; one is called tall "or" "high reaching" that are the ones that serve international discharge. The other one called of "cabotage" whose activity is focused on the activity between national ports.