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: image of a church

Explanation:

The problem involves understanding and rephrasing the definition of "Russian Orthodox", which relates to religious concepts. The subfield "Religion" under Social Science is appropriate as it deals with religious organizations, practices, and denominations like the Russian Orthodox Church.

Answer:

The subfield is Social Science - Religion.