simple, easy, and convenient
Describes something that is straightforward, not complicated, and handy to use. Often used for tools, methods, or systems that are user-friendly and practical.
This app is simple and convenient; anyone can use it right away.
The application was completed with a simple and easy procedure.
簡易 means 'simple' or 'easy', often used for simplified versions or procedures. 簡易軽便 adds the nuance of being handy and convenient, emphasizing practical ease of use.
軽便 means 'light and convenient' or 'handy'. 簡易軽便 combines both simplicity and convenience, often used for tools or systems that are both easy to understand and easy to use.
Compound of 簡易 (simple, easy) and 軽便 (light, convenient). The exact historical derivation is uncertain, but the word is formed from two Sino-Japanese morphemes with complementary meanings.