The kanji 交 primarily conveys the idea of "to cross," "to intersect," "to mix," "to exchange," or "to associate." It suggests the interaction or connection between two or more things, whether it be physical crossing, the mixing of elements, or social interaction.

・On-yomi (音読み): こう (kō) ・Kun-yomi (訓読み): まじ (maji - to mix, to associate), まじわる (majivaru - to cross, to intersect), こう (kō - a brief reading, used in some compound words)

⚫︎交通（こうつう） Translation: traffic, transportation ⚫︎交際（こうさい） Translation: association, social life, dating ⚫︎交差点（こうさてん） Translation: intersection

The kanji 交 is a pictograph. It depicts two lines crossing each other. The original form of the kanji was a simplified representation of two lines intersecting at a point, visually representing the idea of "crossing" or "mixing." Over time, the form of the kanji has evolved but still retains the basic concept of intersection and interaction.