This is a flowchart for CH formation and CH selection. A flowchart is a graphical representation of a process, system, or computer algorithm. They are frequently used in a variety of areas to document, analyse, plan, enhance, and convey often complicated processes in clear, simple diagrams. Flowcharts, also known as flow charts, employ rectangles, ovals, diamonds, and maybe other forms to indicate the kind of step, as well as linking arrows to represent flow and sequence.