What does it mean, 'inner' and 'outer trigram' (popup)
Zhèn below Xùn: Zhèn has no second thoughts or intentions, it is what it is and nothing else. Pure honesty, acting out Heaven's will. When Xùn spreads that around, so it lasts longer than just during the moment of shock, it will better everything it encounters. Good intentions will be pushed toward good acts, bad intentions will be diluted with better ones.
Ideogram of the hexagram name: a bowl with water. It might simply be containing water, or maybe water 'into' the pot, or it might flow over or cook over, but probably the water is steam rising up from the boiling contents, up to the spirits. YÌ on oracle bones: ‘effectuate the sacrifice’. W-Zhou: to give, to grant, grant an honorary title.
Meanings: overflow, augment, increase, add, assistance, raise, advantage, profit(able), advantage, benefit, good, beneficial, come too, more, even more, arrogant, in a higher degree, progressively, help, support, abundant, fill, flow over, proud, exaggerate, excess.
The Image says: Wind and Thunder increase. When the noble one sees good, his rule is to improve, when there are transgressions, his rule is to reform.
Hex.42 is the contrast of 32, which does not care about increase or decrease. It follows its own course.
Hex.42 is about increasing every act, every step.