dictionary

clarity |ˈklaritē|
noun
the quality of being clear, in particular
• the quality of coherence and intelligibility : for the sake of clarity, each of these strategies is dealt with separately.
• the quality of being easy to see or hear; sharpness of image or sound : the clarity of the picture.
• the quality of being certain or definite : it was clarity of purpose that he needed.
• the quality of transparency or purity : the crystal clarity of water.