ok
The way to learn development grading stakes

http://www.learningconstruction.com Step by Step tutorial teaches you how to read grading stakes and corner stakes for construction, grading stakes are an important part of construction, and knowing how to read them is crucial. This video applies to residential and commercial construction projects.
source
Right how about cut an fill ,cut being grade goes down an fill means grade goes up lol
Ez grader
You seriously made a 51 second video about that?!? This is the equivalent of a video on math that only tells about the 'plus' sign.