The Template Venn Diagram 2 Circles is an example of a Venn diagram with two circles. There are two main types of Venn diagrams: the overlapping circles and the non-overlapping circles. The overlapping circles illustrate the intersection between two sets, while the non-overlapping circles show how two sets are not related to one another at all. The Template Venn Diagram 2 Circles has both types of overlap and non-overlap relationships.