There is a small gap between Venn diagrams and Euler diagrams invented in the 18th century by Leonhard Euler, who also had a hand in its development in the 1700s.

Venn diagrams are useful as a teaching and studying tools to scholars, teachers, and professors. They help represent simple mathematical concepts in grade schools as well as rocket-science kind of theories and problems among logicians and mathematicians.

Furthermore, together with Set theory, Venn diagrams have facilitated a clearer up-to-date understanding of infinite numbers and real numbers in Mathematics.

You can also use Venn diagrams to make crucial life decisions, like what college to enroll in, what school to take your kid, or get your life together.

This is my Venn Diagram for my Science Project for school.

Here is a business Venn diagram example, from which the elements involved in the business process have been listed and their relationships have been displayed directly. A business process, business method or business function is a collection of related, structured activities or tasks by people or equipment in which a specific sequence produces a service or product.

Here is a Venn diagram example that illustrates how to find a proper essay topic from three kinds, including high academic value, low competition, and high potential. Decide on which kind of essay you are going to write about before you choose a topic. Make sure you can access all the materials on the topic.

Here is an example of a Venn diagram, from which the marketing research process and relationships are shown intuitively. From data collection to the final results, there are mainly 6 elements involved in the market research. Market research allows a company to discover the target market and get opinions and other feedback from consumers about their interest in the product or service.

Here is an example of a Venn diagram about the corporate culture. In this diagram, the boss, the employees, and the mechanism are the elements involved in the corporate culture. Corporate culture is rooted in an organization's goals, strategies, structure, and approaches to labor, customers, investors, and the greater community.

Here is a simplified data science Venn diagram, from which you can see how to do the research according to different methodologies. Data science is an interdisciplinary field that uses scientific methods, processes, algorithms, and systems to extract knowledge and insights from many structural and unstructured data.