Upper trigram
☲
Fire · Li
Clarity and attachment.
FamilyMiddle daughter
ElementFire
Hexagram 30 of 64
☲☲ The Clinging
Fire doubled — brightness that depends on fuel.
Lower trigram
☲
Fire · Li
Clarity and attachment.
FamilyMiddle daughter
ElementFire
The image
Fire above, Fire below.
Fire over Fire: clarity and attachment meeting clarity and attachment.
That combination is the whole meaning of hexagram 30. 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.