What does it mean, 'inner' and 'outer trigram' (popup)
Fire below Fire: when inner clarity meets with ordered actions, big things can be achieved. Fire has a short attention span, when the right moment presents itself, actions should be quick and complete. Being in the light means being seen, so its meaning also include metaphorically talented people, scarves worn by ancient women when they were married, and a dragon in ancient legends.
Ideogram of the hexagram name: the left part is a net for catching birds, the right part is a bird. It has many different meanings, but light and insight include seeing reality, differences and similarities, so it both connects and separates. LÍ: Leave, discard, separately, escape, remove, avoid, divided into parts, discrete, paired, edit, alienation, discontinued, analysis, experience, encounter, different, sorrow, poor, blurred, later.
The 'Great Image' says: Brightness doubled brings the Bright Bird. The great man illumines the four regions by his continuous brightness.
Hex.30 is the contrast of 29, which is about dark pits and hidden danger and going one's way wherever it leads.
Hex.30 is about light and brightness, seeing, insight, organizing and looking closely if the road goes into the right direction.
There are several cultures where the cow and the sun are connected, but I don't know why. If you know, then tell me!