• Here we consider "designer" as
  "person who can design total solution".
  
  
• In particular, "designer" implies "good problem solver".
  
  
• We would be interested in the condition for being designer,
  with such viewpoints as,
  
  
  • Obligation
  • Trait/Ability
  • Action
  • Self-Development
  
  but here, let us skip this subject to spare time.