Here are a few options for descriptions for the WordPress post_tag “綁定信用卡” (Binding Credit Card) in Traditional Chinese, ranging in length and helpfulness:

**Option 1: Concise & Simple**

* **Description:** 信用卡綁定相關資訊。 (Information related to credit card binding.)

**Option 2: More Detailed**

* **Description:** 關於在網站或應用程式上綁定您的信用卡的教學、注意事項、以及常見問題的標籤。 (Tags related to tutorials, important notes, and frequently asked questions about binding your credit cards on websites or applications.)

**Option 3: Focusing on Content**

* **Description:** 此標籤涵蓋了所有關於信用卡綁定的文章，包括安全提示、設置指南、以及如何管理已綁定的信用卡。 (This tag covers all articles related to credit card binding, including security tips, setup guides, and how to manage bound credit cards.)

**Option 4: Focusing on Scope**

* **Description:** 包含所有與信用卡綁定、支付設定和帳戶管理的相關內容。 (Includes all content related to credit card binding, payment settings, and account management.)

**Option 5: A Bit More Specific (If the site offers this service)**

* **Description:** 關於在本網站上如何安全地綁定您的信用卡，以方便快捷地付款。 (Information on how to safely bind your credit card on this website for convenient and quick payments.)

**Key Considerations When Choosing:**

* **Your Website’s Tone:** Choose a description that matches your website’s style (formal, informal, etc.).
* **Content Scope:** Ensure the description accurately reflects the type of content you tag with “綁定信用卡.”
* **Purpose:** What do you want visitors to understand about this tag?

I recommend choosing either Option 2 or 3 as they are the most informative and helpful to your visitors. The best choice often depends on the nature of your website’s content.