One of the few commonalities you will notice anywhere in the world is that the international airport terminals look and feel the same. The domestic terminals however do not have the same standards across the world but rather tend to reflect the local culture of the area. From the Scoreboard style list of flight arrivals and departures, to the counters with the standard baggage scale, to the exact layout of where all the counters are looks and feels the same at all of the major international terminals that I have seen all over the world.
Just a small observation that I've noticed and haven't found that anybody has really covered this. The one small piece that I did find referenced that the architects who build the international terminals want to have familiarity for the travelers no matter where they are coming from or going to
