Here are a few options for a description of the WordPress post_tag “一卡通” (Yīkǎtōng) in Traditional Chinese, ranging in detail and specificity:

**Option 1: Concise and Clear**

* **Description:** 了解與一卡通相關的文章。 (Learn about articles related to EasyCard.)

**Option 2: Slightly More Informative**

* **Description:** 關於一卡通的最新資訊，包括使用方法、充值地點、優惠活動等。 (The latest information on EasyCard, including usage, top-up locations, and promotions.)

**Option 3: Targeting Users**

* **Description:** 想知道如何使用一卡通搭乘捷運、公車、或購買商品嗎？這裡有您需要的一切資訊。 (Want to know how to use EasyCard to ride the MRT, bus, or buy goods? Here’s everything you need.)

**Option 4: More Specific (If your site has specific content)**

* **Description:** 探索所有與台灣一卡通相關的文章，包括交通、便利店、以及其他可以使用一卡通支付的服務。 (Explore all articles related to Taiwan’s EasyCard, including transportation, convenience stores, and other services that accept EasyCard payments.)

**Option 5: More General, suitable for various types of content**

* **Description:** 此標籤收錄與「一卡通」主題相關的文章。 (This tag includes articles related to the topic of “EasyCard”.)

**Key Considerations When Choosing:**

* **Your Website’s Content:** Select the description that best aligns with the content you’re actually tagging with “一卡通.”
* **Target Audience:** Consider your audience. Are they beginners or seasoned users of “一卡通?”
* **SEO:** While WordPress doesn’t typically use tag descriptions for SEO purposes as heavily as post descriptions, a clear description can help users understand what the tag is about and potentially improve overall understanding of your content organization.
* **Conciseness:** Keep it relatively brief and to the point.
* **Clarity:** Make sure the language is easy to understand.

**How to Add the Description in WordPress:**

1. **Log into your WordPress Dashboard.**
2. **Go to Posts > Tags.** (or Taxonomy section if your theme allows)
3. **Find the “一卡通” tag and click “Edit”.**
4. **Look for the “Description” field.** (It may say “Tag Description” depending on your theme.)
5. **Paste the description of your choice into the field.**
6. **Click “Update” or “Save”.**

Choose the option that best fits your needs! Good luck!