The term ST. CROSSERS is a reference to the St. Kilda Crossers, a group of people who lived on the remote island of St. Kilda in Scotland. The Aves are birds, and the RDS are roads. The St. Kilda Crossers were a group of people who lived on the island and used the roads to travel between the islands. They were known for their unique culture and lifestyle, which included fishing, farming, and trading with other islands.