I looked into this problem before and solved it by creating a new record with every drop down menu choice, so that when going to another record, of course the text fields show other context. However, I run into so many problems because of this workflow and had to redesign a lot of the rest of the app.
So now I am back again at this same problem. I have 21 choices in a dropdown menu. With every choice I would l like to see other context in the 2 text fields which contain instructions and should not be editable by the user. Here's a screenshot of how the layout looks like: