Venn diagrams are used to visualize the relationships between different sets.

ER diagrams are used to visualize the relationships between entities in a database.

Block diagrams are commonly used in engineering to visually represent systems and processes.

Voronoi diagrams are used in various fields such as computer graphics and spatial analysis.

Flow diagrams are used to represent the flow of a process.

Spaghetti diagrams are used to visualize the flow of movement or information in a process.

The indicator diagrams show the performance of the engine.

PV diagrams are used to represent the thermodynamic processes of a system.

Knot diagrams are used to represent mathematical knots.

Fishbone diagrams are commonly used in problem-solving and root cause analysis.