Level.
....is the top of the foundation wall. Simple as that.
16inches above grade
you cant, you have to put the foundation down first, then put the wall on top of the foundation (like around the edge of the foundation)
Below.
It sounds like you have foundation problems, not drywall problems.
The top of a foundation at grade. Foundation walls should be a minimum of 8 inches ABOVE grade.
Yes, if you are constructing this wall with concrete block you will need #5 rebar dowels stubbed out of the foundation at 32" on center. You will also need one #5 rebar running continues in the top course and fill all cells with dowels and top course with either structural grout or concrete.
If you click on their wall a small box should be at the top where you can type and then you click send and it appears on there wall
Click on the button "Profile" in the top right corner of your page. That should bring you to your wall.
If your dividing the wall the lighter paint should go on top
3" below grade. To make this more understandable, sketch it on paper. Being at grade is level with the soil, with no sloping. So put a G and a line for "at grade" and draw inches above the top of the foundation to see how it looks: 16 inches down to 11 inches == TOP edge of the Wall. ( Has nice casement windows, providing natural light. Plenty of accommodation given for bushes and plants without interference to windows.) 10 inches down to 6 inches 5 inches down to 0 inches or Ground G ======= AT Grade (Ground), level with the soil== \\Soil grading downward away from structure.\\ 1 inch below 2 inches below 3 inches below ............. The top of your wall would be lower than the outside ground. The foundation could have no windows; they'd be useless even if placed way up at the top. Therefore it would get no natural light. Soil would continually erode at the top edge, meaning, over the years the foundation would appear from the outside even lower than what it is with being below grade. Worse-- no one will be happy with appearance or function.
To level your yard effectively using a retaining wall, you should first determine the desired height and length of the wall. Then, excavate the area where the wall will be installed and create a sturdy foundation. Install the retaining wall blocks or materials, making sure they are level and secure. Backfill behind the wall with gravel or soil, compacting it as you go. Finally, finish the top of the wall with cap blocks or a suitable material. This will help prevent erosion and create a level surface for your yard.