ki kanji

'ki' has three main meanings. One is nature(air, weather, universe...), the second one is life(energy, vigor...) and the third one is feel or heart. This is the same Kanji as the second one of courege 'yuuki'. 'ki' is the root of all creation.

This kanji is combined 'a shape of moving cloud' and 'a shape of rice'.
'moving cloud', Unki is fontal of life, and rice is energy of it. Ki is the power of all activity, the power of everything.