Einstein's theories primarily explain how the physical world functions, especially through his work on relativity. His theories of Special and General Relativity detail the relationships between time, space, and gravity. This foundation laid the groundwork for understanding concepts such as time dilation and the fabric of the universe. ;
Einstein's theories primarily aim to explain how the physical world functions, focusing on the concepts of relativity. The Theory of Special Relativity addresses the relationship between time and space, while the Theory of General Relativity incorporates gravity into this understanding. Thus, the best answer to the question is option C: how the physical world functions.
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