Ideographic: Known 知 clearly 日; 知 also provides the pronunciationRadical:

meaning for zhì:

  • - wisdom
  • - knowledgewisdom
  • - knowledge
  • - intelligent
  • - intelligenceintelligence
  • - intellectreason
  • - intellect
  • - rationality
  • - rationalintelligent
  • - able
  • - smart (phone, system, bomb etc)sensible
  • - wise
  • - judicious
  • - sagacious