Describes something that is not complex, elaborate, or decorated; often used for design, explanations, or lifestyle.
This design is very simple and easy to use.
説明はシンプルな方がわかりやすい。
A simpler explanation is easier to understand.
She likes clothes with a simple design.
Please make the materials simpler.
It's important to think about the problem simply.
Lately I've been trying to live a simple life.