The clarity of something such as a book or argument is its quality of being well explained and easy to understand.
双语例句
例： the ease and clarity with which the author explains difficult technical and scientific subjects.
该作者解释难懂的科技主题时游刃有余、清晰透彻。
例： our need as social scientists to strive for clarity of analysis.
我们作为社会科学家力求清楚分析问题的必要性。