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This spoiler is incomplete translation of this page that lets us understand the chart in the spoiler a bit. Its incomplete as you see and 1-3 and 6 are missing but these are the translations. The shinobi are rewarded natures based on their experience and this chart shows what natures they could potentially handle, not the natures they actually have.
Shinobi Section - How to read-chart (p. 14)
※The introduced character data in this book goes up to chapter #691 (10th October)
[4] Possession: Nature Transformation
The nature transformations that shinobi can handle are shown. With the appended "Fire", "Wind", "Water", "Earth" and "Lightning" as well as "Yin" and "Yang", seven natures exist.
※Possession: Nature Transformation makes a guess according to that shinobi's battle experience so far, also eye powers change the current stats.
[5] Characteristics
The special characteristics this character possesses. There are "Jinchuriki", "Senjutsu", "Kekkei Genkai", "Kekkei Tota", "Kekkei Mora", "Hiden" and "Kuchiyose", character with multiple special characteristics exist, too.
[7] Events of the past
Past incidents and emerging desires, bringing about a big influence on the the growth of those [people], read these events carefully. (Or so)