clear and easy to understand
perspicuous - clear
Something ‘perspicuous’ is easily comprehensible, typically due to clarity and precision when describing, explaining, or presenting it. This formal word also implies a certain elegance as well as simplicity, and is most commonly used in a professional context where lucidity and clearness of meaning are of particular importance.
I was very impressed with that young analyst's report. It provided such a perspicuous explanation of the current market trend that even a layperson could understand it.
The confusion all the students felt reading those exam regulations is evidence of its lack of perspicuity. It needs to be more clearly and concisely written.
You must be exact and perspicuous in everything you say. We cannot afford any misunderstandings or miscommunications.