Grid Reference

Question 1

Four Figure Grid Reference

Answer 1

A geographic coordinate system that defines locations in maps using Cartesian coordinates based on a particular map projection.

Grid reference is read like:
[Down the corridor and up the ladder] or xxyy

Question 2

Six Figure Grid Reference

Answer 2

Consist of an even number of digits.

https://www.youtube.com/watch?v=OAVVsELgldE

Watch the link bc I can’t explain it. Pls.