The Upper and Lower Limits Show the Absolute Superiority of the Direct Product of the Graphs. the Boundaries Include the Total Number of {2}, the Total Number of 2 Times For Domination and the Number of Factors For Open Packaging. the Total Number of Such Relationships Is Accurate. a Series of Diagrams Shows the Best Possible Limits. the Numbers of Products That Dominate Direct Graphics. We Show That the Step Domination Number of any Tree T Satisfies. Where N Is the Number of Vertices of T, an D D Is Its Diameter. It Is Also Proved That If some Requirements Are Set Ona Tree T Then,