輪郭

1. Origins, structure, and basic meaning

• Structure: The written form is 輪郭, read りんかく. This noun denotes an outline or contour defining the outer shape of something.
• Basic usage: 山の輪郭 describes a mountain silhouette against sunset, while 顔の輪郭 describes a lightly drawn facial contour.

2. Common pitfalls and similar expressions

• A mountain outlined against sunset
  • The mountain’s outline appears dark against the setting sun. Example: 夕日を背に山の輪郭が黒く浮かんだ。 — The mountain's outline appeared black against the sunset.
• A lightly drawn facial contour
  • A pencil is used to draw the face’s contour lightly. Example: 鉛筆で顔の輪郭を薄く描いた。 — I lightly drew the contour of the face with a pencil.