Upper trigram
☴
Wind · Xun
Gentle penetration.
FamilyEldest daughter
ElementWood
Hexagram 61 of 64
☴☱ Inner Truth
Sincerity that convinces without argument.
Lower trigram
☱
Lake · Dui
Joy and openness.
FamilyYoungest daughter
ElementMetal
The image
Wind above, Lake below.
Wind over Lake: gentle penetration meeting joy and openness.
That combination is the whole meaning of hexagram 61. Nothing about it is arbitrary — change either trigram and you get a different hexagram with a different reading, which is why the 64 form a system rather than a list.