Empty graphs are commonly used in graph theory.

Pie graphs are used to represent data visually.

Weighted graphs are commonly used in various fields such as computer science and data analysis.

Levi graphs are used to represent the connectivity of a network.

Brain graphs are used to study the connectivity patterns in the brain.

The block graphs show the data trends over time.

Moore graphs are a class of regular graphs with a unique property.

Spider graphs are commonly used in data analysis to visualize relationships between multiple variables.

The crown graphs are used to represent the connectivity of a network.

Stream graphs are useful for visualizing temporal data.