Venn Diagram comparing 2 concepts

1
Venn Diagram (comparing 2 concepts)
A Concept 1 B Concept 2 C Similarities
between A and B
B
A
C
2
Venn Diagram (comparing 3 concepts)
A Concept 1 B Concept 2 C Concept
3 D Similarities between A and B E
Similarities between B and C
B
A
C
D
E
3
Venn Diagram (comparing 4 concepts)