Here are a few options for a WordPress post tag description, depending on how you want to use it:

**Option 1: General & Concise**

* **Description:** 標記與會員資格相關的文章，包括會籍申請、會員福利、會員活動等。 (Marks posts related to club membership, including membership applications, member benefits, and member activities.)

**Benefits:**
* Simple and to the point.
* Covers the most common uses of the tag.

**Option 2: More Specific (if about a specific club/organization)**

* **Description:** 此標籤適用於[Your Organization Name]的會籍相關資訊，例如會籍方案、續會流程、會員專屬優惠等等。 (This tag applies to information related to membership of [Your Organization Name], such as membership plans, renewal processes, exclusive member offers, etc.)

**Benefits:**
* Good for clarity if you have a specific audience related to an existing group.
* Provides context.

**Option 3: Emphasis on Benefits**

* **Description:** 深入了解與「會籍」相關的福利、優惠和獨家資訊，為您的會員體驗增添價值。 (Learn more about the benefits, discounts, and exclusive information related to “club membership”, and add value to your member experience.)

**Benefits:**
* Focuses on positive aspects and attracts readers.
* Hints at exciting/beneficial content.

**Option 4: Focus on “How to”**

* **Description:** 快速了解如何申請會籍、查詢會籍狀態、以及充分利用您的會員權益。 (Quickly learn how to apply for club membership, check your membership status, and make the most of your member privileges.)

**Benefits:**
* Appeals to potential members.
* Provides a call to action.

**How to use this in WordPress:**

1. **Go to the “Tags” section:** In your WordPress dashboard, go to “Posts” -> “Tags.”
2. **Find your tag:** Locate the “會籍” tag in the list.
3. **Edit the tag:** Click “Edit” for the “會籍” tag.
4. **Add the description:** In the “Description” field, paste the text you’ve chosen from above.
5. **Update:** Click “Update” to save the changes.

Choose the description that best suits the overall content and purpose of your website. Remember to keep it clear, concise, and relevant to the topics you’re tagging.