perfect, completion, end
完 centers on the idea of something being whole and finished: reaching perfection, completing a task, or bringing something to its end.
完 combines 宀 (roof/building) with 元 (origin/source), suggesting the idea of something being fully formed or complete within a structure.
Under a roof (宀), the origin (元) of everything is kept safe and whole. Imagine a perfect, complete set of original blueprints stored in a building.
For カン, picture a can of paint being used to put the final perfect coat on a completed project: can -> カン, and the job is done.
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perfect; complete
completion; perfection; accomplishment
completion; conclusion
perfect; complete; flawless
conclusion; completion
The End; Finis
selling out; being sold out
complementation; supplementation; completion
finishing (a race); running the whole distance; reaching the goal; staying the course
imperfect; incomplete; faulty; defective
being fully equipped; being fully furnished
total blockage; complete shutdown; stopping completely
(suffering a) complete defeat; utter defeat; annihilation
complete recovery
successful execution; accomplishment; completion; fulfillment; carrying through
incomplete; unfinished
full ripeness; full maturity
going the whole distance; pitching a whole game
full payment; liquidation
complete victory; total victory