Answer:
The correct answer is "letter is to word as element is to object"
Step-by-step explanation:
Object is "something introduced to the faculties, reason, complaint," acquired from Latin objectum "something displayed to the faculties, charge, allegation" (Medieval Latin additionally, "something exhibited to the psyche, objective, point"), thing subordinate from fix of objectus, past participle of obicere, objicere "to toss in the way, place against, set forward, present (to the eyes, mind, and so on.)