/ ˈklærəti; NAmE / noun [ U ]
1.
the quality of being expressed clearly :
a lack of clarity in the law
2.
the ability to think about or understand sth clearly :
clarity of thought / purpose / vision
3.
if a picture, substance or sound has clarity , you can see or hear it very clearly, or see through it easily :
the clarity of sound on a CD
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WORD ORIGIN
Middle English (in the sense glory, divine splendour ): from Latin claritas , from clarus clear. The current sense dates from the early 17th cent.