The bronze script of character Know is
The bottom is character Sun - 日, the top left is Arrow, the right is a weapon which I don't know what kind weapon, no information in the dictionaries too. The middle 口 is Mouth.
In a sunshine, a person teaches how to use arrow and another weapon. Because in ancient time, the knowledge of using weapons is very important to survive either in the battle fight or in hunting animals. The person who is qualified to teach is a knowledgeable person.
The big seal script of the character is
The small seal script of the character is
Similarly, the left is arrow, and the right is mouth.
The clerical script of the character is
The left is arrow, and the right is mouth but most strokes are straight now.
The song typeface of the character is
The Pinyin is Zhi1.