遮光

1. Origins, structure, and basic meaning

• Structure: 遮光（しゃこう） means blocking light from entering or passing through.
• Basic usage: Use it for the function of storage materials or curtains that block sunlight.

2. Common pitfalls and similar expressions

• Blocking light versus heat
  • 遮光 focuses on blocking light; 遮熱 focuses on reducing heat transfer.