First of all, safety.
First seen in Oracle Bone Inscriptions, the original meaning is calm, that is, the so-called "quiet" in Shuo Wen Jie Zi, which extends the meaning of quietness, comfort, safety, no danger, stability, proper position and willingness.
Second, Kang
This word first appeared in Oracle Bone Inscriptions in Shang Dynasty. The original meaning of the word "Kang" is unclear, and Shuo Wen Jie Zi thinks that "Kang" is the body of "bran". Others believe that "health" originally meant peace and harmony. The extension of peace means strong and healthy. And then extended to wealth and vastness.
Third, Shun
This word first appeared in the bronze inscriptions of the Western Zhou Dynasty. Its original meaning refers to walking in the same direction, and it also means that things are going smoothly and smoothly.