What is a graph? What information can he carry in himself?

A graph is an information model, consisting of ovals (system elements), they are called the vertices of the graph and lines (links) connecting the vertices. Using the information model-graph, one can express information about the composition and structure of the system.

Remember: The process of learning a person lasts a lifetime. The value of the same knowledge for different people may be different, it is determined by their individual characteristics and needs. Therefore, knowledge is always needed at any age and position.