This is a three-circle Venn diagram. A Venn diagram is a popular diagram type for displaying the logical relationship between sets. In probability, logic, statistics, linguistics, and computer science, the diagrams are used to teach basic set theory and to illustrate basic set relationships. Simple closed curves depicted on a plane are used in Venn diagrams to represent sets. These curves resemble circles or ellipses quite frequently. Now it is easy to create a Venn diagram with EdrawMax.
