Graph Theory
Vertex / Verticies / Node
A Vertex is a point or node on a graph, they are usually connected by Edges / Arcs
Odd Vertex
A Vertex is odd when its Degree is a odd number Vertex 09-28 21.13.12.excalidraw
Engineering
Node
A node is a point where multiple forces (known or unknown) meet. some will be in Compression, others are in Tension.