solver

I'd use landings. 

It's helpful to have the plan file to work with. Often difficult to understand a problem looking at an image.
 
Close Pro before you attach, and there is a 14MB size limit.
 
Here is a similar structure and a setting you might experiment with.
 

 
 
And the wall on the inside.
 
 

 
 

Your signature -- see my comment above.
 
 
Materials generally have a Texture and a Pattern. You usually need to change both, but not always.

The red lines are a result of showing the Reference Display layer set, and the lines may be any color you choose. You need to manually turn this on or off, they don't just appear
 

 
 
 
Think about what that outline might represent.

You are, I think, doing this the hard way. 
 
If you build a foundation with walls, those walls will automatically get a footing.
 
If you simply draw a wall, you can mark it as a foundation wall and it will get a footing.
 
The software does many things automatically -- sometimes it's not what you want, but generally it is.
 
You want to do a little manual building as possible and learn/allow the program to do it for you. 
 

 
 
A search in Help for ledger will give you some ideas on how to have the program automatically generate a ledger.
 

In Vector View, you can toggle off color. Look at the tools on the toolbar at the far right of the screen, or press F8.

Since your question is about framing, all someone needs are walls and a roof. Delete everything else.
 
 
Did you try this?

Read about Use Soffit Surface For Ceiling.

No need for interior walls when manually creating a dormer.
 
You will need to draw this wall manually, then set it to Roof Cuts Wall At Bottom.
 

I believe only Pro lets you adjust these lines.
 
You could a CAD lines over the top, but that's a pain because there are no snaps to help locate them.

Think about the wall type you are using.

Change the 2nd floor, floor structure.

You may need a 2018 version. I'd find one, not necessarily the symbol you need, and try it.
 
Did you search the forum? Probably more specific info in previous similar threads.
 
 

You can lock its layer, but that will lock everything on that layer.
 
 
Change the colors in HD -- make walls red, for example.

Use Transform/Replicate to move it if you do not want to see it. 
 
Imported images are on the CAD, Default layer which you can set to not display, and/or lock, but that will affect all items on that layer.
 
And no, you cannot change an items layer.

It's not obvious when you edit your original post to add additional info as we see the last post made and don't start over at the beginning. If you do so, add a comment saying you did so.
 
The simple way to do what you want is to use a Wall Covering applied in the Exterior Room.
 
Click just outside an exterior wall. It's easy to select the wall, but try again until you see a highlight that surrounds the plan. Open the room and add a Wall Covering to represent your rock.
 
You can also do this wall by wall if the rock does not wrap the house.

Please see my comments here:
 
 

Your foundation forms a room just like the rooms above. Select it, open it, Structure panel, uncheck Roof Over This Room.
 
 
I'll suggest yo send this problem plan to Chief/Home Designer. It may be a bug that they will need to see to be able to fix.
 
 

You can create a new Text Style -- I just used an already defined one to make the text larger. You will also change everything on the roof labels layer.