- Graphs are one of the most useful data structures around.
- They are also a useful mathematical system. Frank Harrary developed graph theory in the 70s.
- I'm not talking about pictures here (graphs have another meaning).
- Instead, I'm talking about a general way of representing discrete data.
- There are lots of types of graphs.
- FSAs were one type of graph.
- Graphs are based around Nodes and Edges.