May you explain your question a little bit better?
Answer:
It was originally written in 1973, in honour of Marilyn Monroe, who had died 11 years earlier. In 1997, John performed a rewritten version of the song as a tribute to Diana, Princess of Wales.
Explanation:
Effigy - A sculpture or model of a person.
Secular - Denoting attitudes, activities, or other things that have no religious or spiritual basis.
Polytheistic - The belief in more than one God.
I hope these definitions helped!