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Types of networks
The networks presented in this chapter so far have just the bare essentials. These networks are called simple networks because, well, they are simple. In NetworkX, simple networks are represented by the Graph class, described in detail in Chapter 2, Working with Networks in NetworkX.
The name Graph comes from the term used in math to describe networks. You'd think it would mean a picture or drawing, but in this case, it just means a network. Mathematicians often use everyday words in very specific ways that are quite different from their everyday meanings, for example, "graph", "bundle", "ring", and "clearly".