The Structure of Freemasonry - The pyramid, on the left side of the chart is the Scottish Rite, on the right side of the chart is York Rite. There are many other secret society organizations or groups that make up the building blocks of the pyramid. Most lower mason's do not know or realize the... moreThe Structure of Freemasonry - The pyramid, on the left side of the chart is the Scottish Rite, on the right side of the chart is York Rite. There are many other secret society organizations or groups that make up the building blocks of the pyramid. Most lower mason's do not know or realize the master who they serve at the top. To be invited is by special invitation by a member. One of the best explanations of this organization comes from a police officer who was in the society at a higher level.