Definition:Connected


 * In relation theory:
 * Connected relation


 * In topology:
 * Definition:Connected (Topology)
 * Definition:Connected Topological Space
 * Definition:Connected Set (Topology)
 * Definition:Connected Points
 * Definition:Connected Sum: A topological concept concerning manifolds


 * In graph theory:
 * Definition:Connected (Graph Theory):
 * Definition:Connected Graph: A graph which has a walk between every pair of vertices.
 * Definition:Connected Vertices: A pair of vertices between which there is a walk.

Also see

 * Definition:Connection
 * Definition:Disconnected