Complex sentence: The term preserves the fact that the anointment was once the most essential of the ceremony, however today the Thai coronation ceremony incorporates many different rites including; the anointment, the enthronement, the crowning and the investiture of a monarch.
Split into simpler sentences: The term preserves the fact that the anointment was once the most essential component of the ceremony. Today, however, the Thai coronation ceremony incorporates many different rites including the anointment, the enthronement, the crowning, and the investiture of a monarch.