Here are a few options for a description for the WordPress post tag “陰曆 (yīn lì)” in Traditional Chinese, each with a slightly different focus:

**Option 1: Basic & Informative**

* **Description:** 陰曆，又稱農曆，是中國傳統的曆法，根據月亮的運行週期制定。
* **English Translation:** The Lunar Calendar, also known as the Agricultural Calendar, is the traditional Chinese calendar system based on the cycles of the moon.

**Option 2: Emphasizing Cultural Context**

* **Description:** 探索陰曆的奧秘，瞭解中國文化及傳統節日，如春節、中秋節等，都依據陰曆而定。
* **English Translation:** Explore the mysteries of the Lunar Calendar and understand Chinese culture and traditional festivals, such as the Spring Festival and Mid-Autumn Festival, which are all based on the Lunar Calendar.

**Option 3: Journalistic and Engaging**

* **Description:** 從陰曆的角度看世界，探索歲時、節氣、祭祀與生活。 追溯陰曆的歷史、功能和它對中國人民生活的重要影響。
* **English Translation:** View the world from the perspective of the Lunar Calendar, exploring the cycles of time, solar terms, ancestral rites, and daily life. Trace the history, functions, and significant impact of the Lunar Calendar on the lives of the Chinese people.

**Option 4: Concise and Focused on Tag Use (best if space is a constraint)**

* **Description:** 包含關於陰曆的文章、資訊和討論。
* **English Translation:** Articles, information, and discussions related to the Lunar Calendar.

**Which to choose?**

Choose the description that best suits the overall tone and focus of your blog/website:

* If your blog is primarily educational, **Option 1** or **2** are good choices.
* If your blog aims to be more engaging and in-depth, **Option 3** may be a better fit.
* If you want a simple and functional description, **Option 4** is ideal.

Remember to consider the length limits of the description field in your WordPress theme (usually 155-160 characters is best for SEO). Choose the concise choice if space is limited.