Here are a few options for a WordPress post_tag description for “三摺頁” in Traditional Chinese, ranging from short and sweet to a bit more descriptive, depending on your needs:

**Option 1: Concise & Common (Good for general use)**

* **Description:** 三摺頁設計 (Three-fold brochure design)

**Option 2: Simple & Focused**

* **Description:** 宣傳三摺頁 (Brochure (leaflet) for advertising)

**Option 3: Slightly More Informative**

* **Description:** 用於行銷和資訊傳遞的常見摺頁格式 (A common folded format used for marketing and information dissemination.)

**Option 4: Contextual (If you have a lot of different printed materials)**

* **Description:** 印刷宣傳品，三摺頁樣式 (Printed promotional material, three-fold style)

**Option 5: Keyword-Rich (Helps with search if you’re targeting a specific audience)**

* **Description:** 三摺頁，摺頁設計，傳單，行銷傳單，資訊宣傳 (Three-fold brochure, brochure design, leaflets, marketing leaflets, information propaganda)

**How to use these within WordPress:**

1. **Go to your WordPress admin dashboard.**
2. **Navigate to “Posts” -> “Tags”.**
3. **Find the tag “三摺頁” (or create it if it doesn’t exist).**
4. **Enter the description in the “Description” field.**
5. **Click “Update” (or “Add New Tag” if creating it).**

**Tips for Choosing the Best Description:**

* **Consider your audience:** Are they familiar with marketing terms?
* **Keyword Research:** If you want to be found in search engines, consider using relevant keywords in the description (like options 4 and 5). Use tools to research what people search for.
* **Be consistent:** If you’re using multiple tags, try to maintain a clear and consistent style for your descriptions.

I would recommend option 1 or 2 for a general purpose tag; Option 5 for SEO optimization and detailed requirements