Here’s a description for the WordPress post tag “光線” (Guāngxiàn) in Traditional Chinese, suitable for a blog post about light, rays, or related topics:

**Description:**

光線 (Guāngxiàn) – 探索世界的光芒，感受光線的藝術與科學。這個標籤收錄了關於光線的相關文章，包括陽光、燈光、各種光譜、攝影、藝術創作中光影的運用，以及科學原理的探討。讓我們一同沉浸在光的奧秘之中，感受它在生活中的多種表現形式和無限可能。
**(Translation: Guāngxiàn (Light Rays) – Explore the brilliance of the world, and feel the art and science of light rays. This tag includes articles about light, including sunlight, artificial light, various spectra, photography, the use of light and shadow in art, and discussions of scientific principles. Let’s immerse ourselves in the mystery of light together, and experience its various manifestations and infinite possibilities in life.)**

**Justification for the Description:**

* **Clear Definition:** It directly translates the tag name and explains what it signifies: light rays.
* **Broad Scope:** It covers diverse aspects of light, including its source (sunlight, artificial light), its properties (spectrum), and its applications (photography, art).
* **Engaging Language:** It uses evocative words like “光芒” (brilliance), “奧秘” (mystery), and “沉浸” (immerse) to make it more appealing to readers.
* **Practical Focus:** It explains what content readers can expect to find under this tag, providing context and encouraging exploration.
* **Cultural Relevance:** It uses Traditional Chinese, making it suitable for a wide range of readers interested in the topic.
* **Positive Tone:** It invites readers to learn about the beauty and intrigue of light, which fits the overall focus of the tag.