Here are a few options for the description of the WordPress post tag “相關科系” (xiāng guān kē xì – Related Departments/Majors) in Traditional Chinese, ranging in specificity and intention:

**Option 1: Broad and General**

* **中文:** 與此文章內容相關的學術領域、科系，或研究主題。
* **Translation:** Academic fields, departments, or research topics that are related to the content of this article.
* **Use Case:** Suitable for general posts where the department connection is broad.

**Option 2: Article Focus**

* **中文:** 相關科系，探索並深入了解文章所探討的學術範疇及科系。
* **Translation:** Related departments; explore and delve into the academic areas and departments discussed in this article.
* **Use Case:** Useful when the post dives into specific academic areas related to the article topic.

**Option 3: User Experience Emphasis**

* **中文:** 探索能拓展您知識的相關科系。 點擊標籤，深入了解更多。
* **Translation:** Explore related departments that can expand your knowledge. Click the tag to learn more.
* **Use Case:** Focused on inviting the user to click and explore further.

**Option 4: Keyword-Rich (for SEO)**

* **中文:** 涵蓋學術、科系、大學、研究所、相關領域等等。 了解更多與此文章主題相關的學術科系。
* **Translation:** Encompassing academics, departments, universities, research institutes, related fields, etc. Learn more about academic departments related to the topic of this article.
* **Use Case:** Includes keywords to potentially improve the tag’s search engine visibility.

**Option 5: Concise and to the Point**

* **中文:** 與文章主題關聯的科系。
* **Translation:** Departments related to the article’s topic.
* **Use Case:** Simple and effective.

**Recommendation:**

I would recommend going with **Option 1 or Option 2** depending on your tone and purpose. These are clear, informative, and relevant. If you want to be more practical about your SEO you can consider **Option 4** but make sure that the content is relevant.

Remember to choose the description that best fits the overall style and purpose of your WordPress blog. Good luck!