Design elements - Bubble diagrams
The vector stencils library "Bubble diagrams" contains 28 shapes for creating the bubble diagrams, bubble maps and concept maps using the ConceptDraw PRO diagramming and vector drawing software.
"What Is a Bubble Diagram?
A bubble diagram is a type of map where ellipses or rectangles are connected by solid, broken or wavy lines. Bubble diagrams can be used to compare concepts, and identify areas of similarity and difference. They are at times referred to as bubble charts or spray diagrams." [ask.com/question/what-is-a-bubble-diagram]
The shapes example "Design elements - Bubble diagrams" is included in the Bubble Diagrams solution from the area "What is a Diagram" of ConceptDraw Solution Park.