Genealogy, Score
If you say the lineup of your family members that have lived on this earth under the sun, you're really explaining your genealogy. This kanji has a second meaning too. It means score, as in a musical score or sheet music. So if your sheet music says the line up of chords, especially sunnny notes, that's the score of a song. Those sunny notes are loved by your ancestors.
Say the line up of your family under the sun, then sing some sunny chords to match. You'll know your genealogy and a musical score!
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If you can't tell the difference between your genealogy and a musical score, you're a fool (ふ) and I can't help you. You aren't a fool, are you? You know the difference.
Your family genealogy and a musical score aren't even close to being the same thing. Memorize these or everyone will think you're a fool.