The type of settlements did the Spanish created or established were the Presidios, the Pueblos, and the Missions.
Presidios or military bases are the ones to protect towns and missions. Generally, this the Military Installations.
Pueblos are for settlers or residents. It is served as trading posts and sometimes as centers of government.
Lastly the Mission, this is for the Church Officials. The Priests started missions to convert local American Indians to Catholicism.