Communicating #OwnVoices Elements to Agents and Editors

Assuming the agent/editor is reasonable, what are the options?

Way back in July (July!!!) I had a question about agents and editors who misunderstand #ownvoices. At the end of that answer I said:

p.s. — I realized near the end of writing this that I’m assuming the question is about how to navigate ignorant or rude responses[…]. But I also realized part of this question may be about how to talk about the #ownvoices e…