Here’s why Trump’s lawyers are in court for the election interference case.

The hearing Thursday in the case accusing former President Donald J. Trump of seeking to overturn the 2020 election is largely being held to answer a single question: How should the presiding judge, Tanya S. Chutkan, move the matter forward in light of the Supreme Court’s recent ruling granting Mr. Trump broad immunity from criminal prosecution?

That is, the hearing will focus on the legal steps that will be used in the later and more substantive undertaking of sorting out which parts of Mr. Trump’s indictment need to be tossed out under the court’s immunity decision and which can survive and go to trial.

To that end, Judge Chutkan will consider proposals from Mr. Trump’s lawyers and from prosecutors in the office of the special counsel, Jack Smith. By the end of the proceeding, in Federal District Court in Washington, she will most likely at least signal how she intends to move forward and how much time it may take to complete the task.

When justices handed down their immunity ruling in July, they granted Mr. Trump — and all other future former presidents — wide-ranging protections against charges arising from actions they took in their official capacity. And as part of the ruling, they sent the case back to Judge Chutkan and ordered her to do the complex work of determining which of the indictment’s many allegations stemmed from Mr. Trump’s official acts as president and which arose from unofficial acts — say, from his private role as a candidate running for office.

There are different ways that Judge Chutkan could conduct that sorting process.

She could order the two sides to submit filings to her laying out their separate positions, perhaps supported by facts drawn from interviews with — or sworn statements from — some of