Here are a few options for the description of the WordPress post tag “臉書” (Facebook) in Traditional Chinese, ranging from general to more specific:

**Option 1 (General & Concise):**

* 臉書 (Facebook) 的相关文章分类。
* *Translation: Category for articles related to Facebook.*

**Option 2 (More Descriptive):**

* 所有关于臉書 (Facebook) 的文章、新闻、技巧、更新和评论。
* *Translation: All articles, news, tips, updates, and reviews related to Facebook.*

**Option 3 (Emphasis on Engagement):**

* 探索关于臉書 (Facebook) 的最新动态，掌握使用技巧，与其他用户交流分享经验！
* *Translation: Explore the latest developments on Facebook, learn usage tips, and exchange experiences with other users!*

**Option 4 (Focus on the Purpose of the Tag):**
* 使用此标签来找到与脸书 (Facebook) 相关的文章，帮助你了解和使用脸书。
* *Translation: Use this tag to find articles related to Facebook, which will help you understand and use Facebook.*

**Option 5 (A more sophisticated approach):**

* 聚焦于脸书 (Facebook) 的数字世界。此标签整理了针对脸书平台的深入分析，以及相关的社交媒体与科技动态。
* *Translation: Focusing on the digital world of Facebook. This tag organizes in-depth analyses of the Facebook platform, as well as related social media and tech developments.*

**Which one to choose depends on the overall tone and purpose of your website:**

* **The first option** is appropriate if you want a very simple and straightforward description.
* **The second option** is a good standard choice, providing a clear overview.
* **The third option** is good for a website that focuses on user interaction and advice.
* **The forth option** emphasizes the functionality of the tag
* **The fifth option** is suitable for more professional oriented webs.

Remember to choose the description that best reflects the content your website provides related to Facebook. You can also modify these to fit your specific needs.