These are the types of megalithic structures that are all over the world. These names merely used as an attempt to try to organize what is there. Whoever built these structures did not see them like this.
What is also important is the structures which we do not find that are found in other areas. The are no sign of habitation, no roads, no pyramids, no temples, no dolemns, no remains of living structures, only these magnificent stone decorations.