Here are a few options for the description of the WordPress post tag “信用卡申辦” (Credit Card Application) in Traditional Chinese, ranging in style and detail:

**Option 1 (Short & Sweet):**

> 探索信用卡申請指南，了解最新優惠、申請條件與注意事項。

* **Translation:** Explore credit card application guidelines, understand the latest promotions, application requirements, and important notes.
* **Good for:** A general and concise description.

**Option 2 (More Detailed):**

> 想要擁有自己的信用卡？本標籤集合了關於信用卡申請的各種資訊，包括：銀行選擇、申請流程、所需文件、額度評估、常見問題解答，以及如何善用信用卡福利等，助您輕鬆踏出理財第一步。

* **Translation:** Want to have your own credit card? This tag collects various information about credit card applications, including: bank selection, application process, required documents, credit limit assessment, frequently asked questions, and how to make good use of credit card benefits, helping you easily take the first step in financial management.
* **Good for:** A more comprehensive explanation, attracting users looking for in-depth information.

**Option 3 (Emphasis on Benefits):**

> 信用卡申辦全攻略！透過此標籤，您將學會如何找到最適合自己的信用卡，享受現金回饋、哩程累積、消費優惠等多重好處，讓您的消費更聰明。

* **Translation:** Credit card application complete guide! Through this tag, you will learn how to find the credit card that is best for you, enjoy cash back, mileage accumulation, shopping discounts, and other multiple benefits, making your spending smarter.
* **Good for:** Highlighting the benefits to attract readers.

**Option 4 (Focus on Practicality):**

> 申請信用卡？從比較各家銀行的信用卡優惠、了解申請資格，到填寫申請表、準備文件，這個標籤提供您實用的指南，讓您輕鬆完成信用卡申辦流程。

* **Translation:** Applying for a credit card? From comparing the credit card promotions of various banks, understanding the application qualifications, to filling out the application form and preparing documents, this tag provides you with practical guides, making it easy for you to complete the credit card application process.
* **Good for:** Emphasizing the practicality and usability of the content in the tag.

**Recommendation:**

I recommend **Option 2** if you plan to create detailed content under this tag. Alternatively, **Option 3** is a good choice if you want to emphasize the benefits of using credit cards and attract readers with potential financial benefits.

**To add this to your WordPress tag:**

1. Go to your WordPress admin panel.
2. Navigate to “Posts” -> “Tags”.
3. Find the tag “信用卡申辦” (or create a new one if it doesn’t exist).
4. In the “Description” field, paste the text of your chosen option.
5. Save your tag.

Choose the option that best fits the content you plan to publish under this tag. Remember to keep your target audience in mind when writing your descriptions!