simple and clear; plain and lucid
Describes explanations, writing, or speech that is easy to understand and unambiguous. Often used in formal or academic contexts.
His explanation was simple and clear, and anyone could understand it.
This textbook is written in plain and lucid prose.
簡潔 emphasizes brevity and conciseness, while 平易明快 focuses on clarity and ease of understanding without necessarily being short.
明快 means 'clear' or 'lucid', but 平易明快 adds the nuance of simplicity and accessibility.
A compound of 平易 (simple, easy) and 明快 (clear, lucid). The exact historical derivation is uncertain, but it is a straightforward combination of two Sino-Japanese words.