When examining the works of directors like David Fincher or Denis Villeneuve, there is a recurring use of ambiguous endings that refuse to provide traditional catharsis. From a structural perspective, does this technique enhance the realism of the procedural elements, or does it serve primarily to maintain psychological tension beyond the runtime? I am particularly interested in the community's thoughts on how sound design, such as a subtle whistle or a lingering shot, functions as a narrative tool to imply resolution without explicitly showing it