This is a very complicated academic issue
In the past, the ancients used plum blossoms to make counting. Later, after the Japanese invented the 81 hexagrams of the name pattern, we all used this
Of course many people still don’t know the source
In terms of stroke calculation, it only gives a general outline, but it is indeed very detailed.
Actually, just next to the word "王", calculated according to the word "玉", there are 5 strokes, such as Qi and Bin.
Based on my practical experience, the number of Wang characters should be 4 strokes.
For example, the character "水" is counted as 4 strokes, but the character "Liang" is not counted as 4 strokes.