What does it mean to "give way between strokes" when practicing calligraphy?

Notes on strokes in calligraphy;

Pay attention to the interpenetration and avoidance between strokes.

Pay attention to the echo law between strokes.

Pay attention to the distance between strokes as consistent as possible.

Pay attention to the connection between strokes.

Pay attention to the collocation between strokes.

I really don't know what "Rangjiu" means. Maybe it's a dialect

Maybe it is:

Pay attention to the struggle between strokes, avoid dense and sparse, and make the left tight and the right loose, and the upper tight and the lower loose. ...

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