Upper trigram
☲
Fire · Li
Clarity and attachment.
FamilyMiddle daughter
ElementFire
Hexagram 14 of 64
☲☰ Great Possession
Abundance held with responsibility.
Lower trigram
☰
Heaven · Qian
Creative force.
FamilyFather
ElementMetal
The image
Fire above, Heaven below.
Fire over Heaven: clarity and attachment meeting creative force.
That combination is the whole meaning of hexagram 14. 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.