A binary plan is an organizational structure used in multi-level marketing (MLM) organizations. In this structure, new members are introduced into a system with a tree-like structure where each “node” or new member of the organization has a left and right sub-tree. It’s a Two Legged (Left leg, Right Leg) structure used in Multi Level Marketing where the each new distributors or members are placed in either left or right subtree. Where one subtree is known as a Power Leg or Profit Leg while the second subtree is a Profit Leg or a weak leg.