Here’s a description for the WordPress post tag “下午 (xiàwǔ)” in Traditional Chinese, suitable for use within your WordPress post tag settings (e.g., the “Description” field):

**Description:**

午後時光，指下午時段，約莫是正午稍過後，直至傍晚的一段時間。常用於描述時間、活動，或心情狀態。用於標記與午後相關的文章內容，例如午餐後的閒暇、下午茶、辦公室工作、傍晚時分的景色等。

**(Translation and Explanation of the Description Breakdown):**

* **午後時光，指下午時段，約莫是正午稍過後，直至傍晚的一段時間：** This sets the context. “Afternoon time, refers to the afternoon hours, approximately from shortly after noon until evening.” This provides a clear definition of what the tag encompasses.
* **常用於描述時間、活動，或心情狀態：** This explains the general use of the term. “Commonly used to describe time, activities, or emotional states.” This broadens the scope to show it’s not just about the literal time of day.
* **用於標記與午後相關的文章內容，例如午餐後的閒暇、下午茶、辦公室工作、傍晚時分的景色等：** This clarifies how the tag is used. “Used to tag article content related to the afternoon, such as leisure after lunch, afternoon tea, office work, scenic views in the evening, etc.” This gives concrete examples to clarify what content should use this tag, making it easier for the user.

**Key Features of This Description:**

* **Clear and Concise:** It gets straight to the point.
* **Descriptive:** Provides a good explanation of what the tag means.
* **Practical:** Shows how the tag should be used.
* **Easy to Understand:** Uses everyday language.
* **Contextual:** Provides examples to illustrate usage and create a positive and meaningful user experience.
* **SEO Optimized**: The repetition of time related words can helps for internal search of time based content.

**How to use it in WordPress:**

1. Go to your WordPress admin panel.
2. Navigate to “Posts” -> “Tags” (or “Categories” for Categories).
3. Select or add the “下午” tag.
4. Paste this description into the “Description” field within the tag’s details.

This description helps your site users understand exactly what the tag means and how to use it, improving their overall experience on your website.