---
tag: CGH2BKTC7V
kind: concept
name: Endpoint
sources:
  - wikipedia: en:325802@r1373839425
    locator: Glossary of graph theory, section E
    note: adopted
    mention: wikipedia://en/325802#KIDS
    sections: [Summary]
inventory: [P11YF5P2QH]
---

## Summary

One of the two vertices joined by a given edge, or one of the first or last vertex of a walk, trail or path. The first endpoint of a given directed edge is called the *tail* and the second endpoint is called the *head*.