Question

official definition: relating to, or being the autocephalous eastern orthodox church of russia headed by the patriarch of moscow and using an old church slavonic liturgy or one of its autonomous 20th century branches chiefly outside russia
definition in my own words:
word: russian orthodox
example sentence:
image or picture:

Explanation:

The problem involves understanding and rephrasing the definition of "Russian Orthodox", which relates to religious studies. The subfield of Religion in Social Science is appropriate as it deals with religious groups, doctrines, and institutions like the Russian Orthodox Church.

Answer:

The subfield is Social Science - Religion.