Here are a few options for a WordPress post_tag description for “日幣” (Japanese Yen) in Traditional Chinese, ranging from basic to slightly more detailed:

**Option 1: Basic & Concise**

* **Description:** 日本貨幣。 (Japanese currency.)

**Option 2: Slightly More Informative**

* **Description:** 日本使用的貨幣單位，代表日圓。（Currency used in Japan, representing the Japanese Yen.)

**Option 3: Focused on News & Finance (Suitable if your site discusses financial topics)**

* **Description:** 日圓相關的新聞、分析、匯率，以及與日本經濟相關的資訊。（News, analysis, and exchange rates related to the Japanese Yen, as well as information related to the Japanese economy.)

**Option 4: Broad Context**

* **Description:** 關於日幣 (日圓) 的所有資訊，包括金融、經濟、旅遊等等。（Everything about the Japanese Yen, including finance, economy, travel, etc.)

**Key Considerations When Choosing:**

* **Your Site’s Focus:** What is the primary topic of your website? A financial website would choose Option 3 or 4. A general travel blog would use Option 2 or 1.
* **Target Audience:** Are your readers experts in finance, or are they general users interested in Japan? Tailor the description to their knowledge level.
* **Keyword Density:** The description should subtly include relevant keywords for SEO. The options above naturally do this by using common search terms.
* **Character Limit:** WordPress tag descriptions often have character limits. Be mindful of how long your description gets. (The options above are all reasonably concise.)

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

1. **Log in to your WordPress Admin Area.**
2. **Go to “Posts” -> “Tags”.**
3. **Hover over the “日幣” tag and click “Edit”.**
4. **Look for the “Description” field.** (If you don’t see it, check your theme options; you may need to enable it or install a plug-in like “Yoast SEO”.)
5. **Paste the description into the text box.**
6. **Click “Update”.**

Choose the description that best suits your website and audience. Good luck!