Kim submits her resignation to the bar, walking away from her law career after the trauma of Howard Hamlin's death.
If you are looking for academic or critical perspectives for a project, reviewers from TV Obsessive and The Review Geek highlight these central motifs:
If you are writing a paper or looking for deep analysis, here are the core themes and narrative "papers" (pivotal plot documents) from the episode: Key Plot "Papers"
Flashback scenes (later revealed in S6E12) show Kim and Jimmy signing these documents, officially ending their marriage and legal partnership.