This concept is related to drawing the program control flow graph with a node for every statement or block of sequential statements. A knot is then defined as a necessary crossing of directional lines of the graph.
Dhana hii ni kuhusiana na kuchora mpango wa kudhibiti mtiririko graph na node kwa kila tamko au kuzuia ya kauli utaratibu wa kudumu. fundo ni kisha kuelezwa kama kuvuka muhimu ya mistari directional ya graph.