noun
node
NOHD/nəʊd/
A point where parts of a network or larger system connect.
The central plaza forms a node where four garden paths meet.

Etymology
The original image is a knot. The word later came to mean a point of intersection, first in astronomy where an orbit crosses the ecliptic, connecting that image with a meeting point of lines or pathways.
In context
if there are lines on both sides of a node there will be no handles at all each path will have at least one larger node in green
More examples
- The diagram shows each node as a dot where lines meet.
- Chicago is a major node in the nation's rail network.
- When one node fails, data travels through the remaining nodes.
Forms
node · nodes
nodal adjective — Relating to connection points in a network.