K3's can be confusing. As your question is quite open ended, I wanted to refer you to a TurboTax guide for entering K3s. Follow it along.
https://ttlc.intuit.com/turbotax-support/en-us/help-article/schedule-k-3/enter-schedule-k-3-turbotax/L6AcKVf9A_US_en_US?uid=ln29wp68
Hello and thank you for your question. We will be more than happy to assist. I do recommend to schedule a call or a chat so we have all the tools to assist you with your K3 questions. The call can be requested within TurboTax and you will be connected with a Tax expert who has the tools to assist you completely. K3 has some elements it is best to have a conversation or chat in real time. A call preferred.
The link clarified that I have no foreign income- which simplifies, but I can't correlate the letters in the TT form with the K-3 data in order to complete it.