broken blossoms 1919 editing reflection

At least 500 words.
This questions is about editing. Explain how editing was used to construct and build the relationship between Lucy Burrows (Lillian Gish) and Cheng Haun (Richard Barthelmess) in Broken Blossoms (1919). Is the relationship constructed as obvious in its meanings, or as ambiguous in some ways? How do the editing choices work to make those meanings? You may also talk about camera angle and framing, but try to stay focused on describing and analyzing the editing technique as it makes meaning in this film. It will help to zoom in on one scene and describe it in detail to demonstrate your point.