Clarity
Clearness, Clear
な adjective, noun
めいりょう
明瞭 （めいりょう） Clarity, Clearness, Clear
不明瞭 （ふめいりょう） Dimness, Obscurity, Unclear, Indistinct
不明 （ふめい） Unknown, Unclear, Uncertain, Unsure
You've made-yo めいりょう point with Clarity.
He may めい row りょう after he's understood the rules with Clarity.