Here are a few options for a WordPress post tag description for the title “數學” (shù xué – mathematics) in Traditional Chinese, with varying levels of formality and detail:

**Option 1: Simple and Direct**

* **Description:** 數學（shù xué）：探討數量、結構、空間和變化的學問。
* **Translation:** Mathematics (shù xué): The study of quantity, structure, space, and change.
* **Good for:** A general audience, quick understanding.

**Option 2: Slightly More Descriptive**

* **Description:** 關於數學、代數、幾何、微積分和其他相關學科的文章彙集。 探索數字、形狀、模式和邏輯。
* **Translation:** A collection of articles related to mathematics, algebra, geometry, calculus, and other related disciplines. Explore numbers, shapes, patterns, and logic.
* **Good for:** Users who are interested in a variety of math topics. Adds a touch of context.

**Option 3: Focus on the Importance**

* **Description:** 數學的奧秘等待著您去發現！ 透過學習數學，培養邏輯思維與解決問題的能力，為您的科學、工程和日常生活奠定基礎。
* **Translation:** The mysteries of mathematics await your discovery! By learning mathematics, cultivate logical thinking and problem-solving skills, laying a foundation for your work in science, engineering, and daily life.
* **Good for:** Encouraging users to engage with math and showcasing its benefits.

**Option 4: Formal & Comprehensive**

* **Description:** 此標籤涵蓋了數學學科的廣泛範疇，包括算術、代數、幾何、三角學、微積分、統計學、離散數學等。旨在促進對數字、形狀、空間、變化和量化關係的深入理解。
* **Translation:** This tag covers a broad range of mathematical disciplines, including arithmetic, algebra, geometry, trigonometry, calculus, statistics, discrete mathematics, and more. It aims to promote a deep understanding of numbers, shapes, space, change, and quantitative relationships.
* **Good for:** A more academic or professional environment. Provides a clear scope.

**How to Use in WordPress:**

1. **Edit the Tag:** Go to your WordPress admin dashboard, navigate to “Posts” -> “Tags” (or “Categories” if you’re doing this for a category).
2. **Find the Tag:** Locate the “數學” tag you created.
3. **Add the Description:** There should be a field labeled “Description.” Paste your chosen description into this field.
4. **Update/Save:** Click the “Update” or “Save” button to apply the changes.

Remember to choose the description that best suits the tone and purpose of your website and the types of content you plan to tag with “數學”. Good luck!