Appreciation of "knot" in regular script and brush calligraphy

Section has two pronunciations: [? Jie]、【？ jiē ]

Jie？

The part where the stems, branches and leaves of bamboo or plants grow: bamboo joints. Make trouble. ?

A part of an object or a connecting part between two parts: a joint. Two carriages. ?

Paragraph: Step by step (paragraph by paragraph, step by step). Program. ?

The China calendar divides a year into twenty-four segments, and the name of each segment begins with solar terms. Festival?

A day to commemorate or celebrate: a festival. ?

jiē？

Joint is a key and decisive link or opportunity ("joint" is pronounced lightly).

Then the big joints are bad. -"Su Wenzhi's Truth"?

People have twelve sections. -"Su Wenbaoming Holography"?

Those who have houses have houses. -"Zhuangzi, health Lord"?

A festival of gains and losses. -"Lu Chunqiu, Caution"?

I am often afraid of autumn festivals. -Long song?

Scholar-officials don't respect the system of avoiding the world. -Xunzi Wang Ba?