Here are a few options for a WordPress post tag description for “適用條件” (Ānyòng tiáojiàn – Applicable Conditions) in Traditional Chinese, ranging in length and detail:

**Option 1 (Concise):**

* **Title:** 適用條件
* **Description:** 描述文章中適用之條件，包括資格、限制等。 (Describes the applicable conditions in the article, including eligibility, restrictions, etc.)

**Option 2 (Slightly More Detailed):**

* **Title:** 適用條件
* **Description:** 此標籤涵蓋了文章內容所提到的所有適用條件。 無論是參與資格、產品使用限制，或是其他重要的限制條件，都可以在這裡找到相關資訊。 (This tag encompasses all applicable conditions mentioned in the article. Information related to eligibility, product usage restrictions, or other important limitations can be found here.)

**Option 3 (User-Friendly):**

* **Title:** 適用條件
* **Description:** 想知道這篇文章的內容適用於誰？ 在這裡，你會找到所需的資格、限制和要求。 瞭解清楚，才能確保你符合條件！ (Want to know who the content of this article applies to? Here, you’ll find the necessary qualifications, restrictions, and requirements. Understand them clearly to ensure you meet the conditions!)

**Option 4 (Focus on Search Optimization):**

* **Title:** 適用條件
* **Description:** 探索與文章相關的適用條件、資格、限制及要求。 找出您是否符合參與資格、產品使用資格，或其他相關條件。 (Explore the applicable conditions, qualifications, restrictions, and requirements related to the article. Find out if you meet the eligibility for participation, product use, or other related conditions.)

**Key Considerations When Choosing:**

* **Audience:** Choose the option that best suits your target audience’s understanding and needs.
* **Post Content:** The description should accurately reflect the types of content tagged with “適用條件.”
* **SEO:** Including relevant keywords (like 資格, 限制, 要求) in the description can help with search engine optimization.
* **Website Style:** Maintain a consistent tone and style with the rest of your website content.

I recommend Option 2 or 3 as a good balance of clarity and helpfulness. Choose the one that best reflects the specific information you’re tagging!