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Author's level


In this website for each matter, the author's level of knowledge, understanding or experience is defined as followings.

Level 1: The author does not know or care that matter.

Level 2: The author cares that matter.

Level 3: The author knows, understands or has experienced that matter.

Level 4: The author knows well, understands well or has much experienced that matter.

Level 5: The author is one of the best persons in the world who know that matter.

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