Meaning of 明るい性格 in Japanese

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Definition of 明るい性格

せいかく(seikaku) 【性格】

あかるい(akarui) 【明るい ·明い】

(adj-i) bright; colourful
ダイヤは明るく光った。
The diamond shone brightly.
cheerful
あの子供は明るい微笑でみんなをひきつける。
The child captivates everyone with his sunny smile.
familiar (with); knowledgeable (about)
君はなかなか地理に明るいな。
You're pretty good with the lay of the land.
fair (e.g. politics); clean