Here are a few descriptions for the WordPress post tag “長度” (Chángdù – Length) in Traditional Chinese, catering to different needs:

**Option 1: Simple & Direct (Best for general use)**

> 關於長度的文章，包括測量、單位、比較等等。
>
> Articles related to length, including measurements, units, comparisons, and more.

**Explanation:** This is a straightforward and concise description. It explains the purpose of the tag broadly, covering what kind of content would be associated with it. The English translation provides clarity for multi-lingual audiences.
**Option 2: More Detail (If the blog focuses on specific aspects of length)**

> 深入探討關於長度的文章，涵蓋各種長度度量、測量工具、不同領域(例如建築、服裝、科學)中的長度應用，以及長度相關的概念。
>
> In-depth articles about length, covering various length measurements, measuring tools, the application of length in different areas (e.g., architecture, clothing, science), and related concepts.

**Explanation:** This description is more specific and suitable if the blog frequently discusses specific aspects of length. It caters better to topics requiring a more in-depth approach across various fields.
**Option 3: Focus on Understanding Measurement**

> 涵蓋長度測量、單位換算、比較等，幫助你更好地理解和衡量事物大小。
>
> Covering length measurement, unit conversion, comparison, and more, helping you better understand and measure the size of things.

**Explanation:** This version puts a slight emphasis on the practical application of understanding length, especially good if you are providing useful knowledge to the reader.

**Option 4: Concise and Engaging (For a more visually appealing blog)**

> 測量世界的奧祕！探索關於長短的知識。
>
> Unlocking the secrets of measurement! Explore the knowledge of length.

**Explanation:** This is brief and attention-grabbing while still relevant. It’s suitable for a blog with a more creative or user-friendly style. It might be ideal for a visually-driven blog aimed at younger audience.

**How to Choose:**

* **Consider your blog’s audience:** Who are you writing for?
* **Think about your content:** What kind of articles do you write that pertain to length?
* **Keep it concise:** WordPress tag descriptions should be brief and clear.
* **Provide an English Translation:** This is helpful if you anticipate readers who may not understand Chinese.

Choose the description that best suits your blog’s style and the purpose of the “長度” tag. Good luck!