Sentence:  [D]ivine presence, direct as it is, is mediated in temple forms, practices, and procedures. Such a guarded Real Presence is an <WSD>adumbration</WSD> of the entire struggle of Christian sacramental theology with Real Presence. 
Meaning of the word marked with <WSD> tags:  A rough or symbolic representation; a vague indication of what is to come, a foreshadowing.