Grid and Graticule

Grid noun - A pattern of regularly spaced horizontal and vertical lines.

Graticule and grid are semantically related. in technical topic. In some cases you can use "Graticule" instead a noun "Grid", when it comes to topics like plexus.

Graticule noun - A network of fine lines, dots, cross hairs, or wires in the focal plane of the eyepiece of an optical instrument.

Grid and graticule are semantically related. Sometimes you can replace term "Grid" with "Graticule", this nouns are similar.