clear; distinct
彼の論理は極めて明晰で反論の余地がない。
His logic is extremely clear, leaving no room for rebuttal.
明晰な頭脳で複雑な問題を解決した。
He solved complex problems with a lucid mind.
文章の明晰さが読者に好評を得ている。
The clarity of the writing is well received by readers.