What is the name of the strokes that connect the upper and lower characters in calligraphy?

Lian Bi's Jane Oil Painting.

The Lian Bi technique in calligraphy seems simple, but it actually contains many techniques. Lian Bi in calligraphy only has excellent strokes, but not good Lian Bi. The words written must be rigid and lifeless.

Excellent strokes must be combined with excellent connection techniques and good ideas, and the written words must be beautiful, so the connection of calligraphy plays an important role in the writing process. The professional language associated with calligraphy is called "brushwork meaning", which belongs to the technical category and is an important link that can not be ignored in the process of calligraphy learning.