Here are a few description options for the WordPress post_tag “**清大**” (which refers to Tsinghua University) in Traditional Chinese, along with explanations:

**Option 1: Short & Sweet**

* **Description:** 清華大學相關標籤。 (Tsinghua University related tags.)

* **Explanation:** This is the most concise and generally applicable. It clearly states what the tag is about.

**Option 2: Focusing on Topics**

* **Description:** 涵蓋清華大學校園生活、學術研究、以及相關新聞報導的標籤。 (Tags covering Tsinghua University campus life, academic research, and relevant news reports.)

* **Explanation:** More specific. It gives the user a better idea of what content they can expect to find associated with this tag.

**Option 3: Emphasizing Audience (if known)**

* **Description:** 專為清華大學學生、校友、以及對清華感興趣的人士所設的標籤。 (Tags specifically for Tsinghua University students, alumni, and anyone interested in Tsinghua.)

* **Explanation:** Useful if you know your blog/website attracts a targeted audience related to Tsinghua.

**Option 4: Location Specific (If applicable)**

* **Description:** 北京清華大學相關標籤。 (Tags related to Tsinghua University in Beijing.)

* **Explanation:** Helpful if you are distinguishing it from another university if you have similar tags.

**Option 5: General & Informative**

* **Description:** 關於清華大學的討論、資訊、及相關內容的整理。 (A collection of discussions, information, and related content about Tsinghua University.)

* **Explanation:** A broader, yet clear description of the tag’s purpose.

**How to choose the best option**

Consider the following:

* **Your target audience:** Who are you writing for?
* **The purpose of your website/blog:** What type of content do you publish?
* **The range of content tagged with “清大”:** What kind of topics will this tag cover?

I recommend starting with **Option 1** or **Option 5** as a general starting point. You can always modify the description later as needed. Remember to update the description in WordPress’s tag (or category) editing section.