A curve — a bent or non-straight line or shape, used in contexts like mathematics, graphs, or design.
関数のグラフはきれいな曲線を描いている。
The function's graph draws a smooth curve.
その道は曲線が多く、運転に注意が必要だ。
That road has many curves and requires careful driving.
デザインに曲線を取り入れると柔らかい印象になる。
Incorporating curves into a design gives a softer impression.