- 外 locativeoutsideoutside; exterior; the space or position beyond a certain limit or boundary
- 愚 adjectivefoolishstupid; silly; simple-minded; not clever
- 内 內 locativeinsideinside; within; inner; internal; specifically refers to the interior or domestic domain as opposed to the exterior or foreign domain; often used in spatial or temporal contexts
- 智 nounadjectivewisdom; wisewisdom; resourcefulness; intelligence; wit; wise; clever; having deep insight