Here are a few description options for the WordPress post tag “難易度” (Difficulty) in Traditional Chinese, ranging in formality and focus, along with explanations:

**Option 1 (Most concise and general):**

* **Description:** 分享文章的難易程度分類，方便讀者快速篩選。
* **Translation:** Categorization of article difficulty; helps readers quickly filter.
* **Explanation:** This is the most straightforward and practical. It simply explains the tag’s function: to categorize articles by difficulty for easier browsing.

**Option 2 (Slightly more detailed):**

* **Description:** 標籤用於標示文章的難易度，涵蓋不同的閱讀理解和實用操作水平。幫助您找到與您水平相符，或挑戰您進階學習的文章。
* **Translation:** This tag is used to indicate the difficulty of the articles, encompassing different levels of reading comprehension and practical application. It helps you find articles that match your level, or challenge you to advance your learning.
* **Explanation:** This option provides a slightly more descriptive explanation. It expands on the idea of different levels and highlights both finding articles at your level *and* challenging oneself.

**Option 3 (Emphasis on user experience):**

* **Description:** 依照文章的難易程度分類，讓您輕鬆找到適合您的內容。無論是初學者還是進階者，都可以快速篩選，節省您的寶貴時間。
* **Translation:** Categorized by the difficulty of the articles, allowing you to easily find content that suits you. Whether you’re a beginner or an advanced learner, you can quickly filter and save your valuable time.
* **Explanation:** This version focuses on the benefit to the user. It emphasizes ease of use and time-saving aspects, making it more user-centric.

**Option 4 (Slightly Technical):**

* **Description:** 文章按難易度分類，方便您瀏覽，區分文章內容所需的基礎知識、所需時間、或實用性技巧。
* **Translation:** Articles are categorized by difficulty to facilitate your browsing, distinguishing articles according to the required basic knowledge, time required, or practical skills.
* **Explanation:** This option offers a slightly more technical aspect. It mentions criteria that are often used to determine difficulty (foundation knowledge, time, skills).

**Which option is best?**

Choose the description that best reflects the content of your blog and your target audience. If you lean towards a simpler approach, option 1 or 3 is sufficient. If you want a bit more detail and explanation, option 2 or 4 works well. Consider what information about your articles you’re actually conveying with the tag and how best to communicate it.