topology

1. Topographic study of a given place, especially the history of a region as indicated by its topography.
2. Medicine. The anatomical structure of a specific area or part of the body.
3. Mathematics. The study of the properties of geometric figures or solids that are not changed by homeomorphisms, such as stretching or bending. Donuts and picture frames are topologically equivalent, for example.
4. Computer Science. The arrangement in which the nodes of a LAN are connected to each other.