Here’s a description for the WordPress post tag “幸運數字” in Traditional Chinese, along with some options offering different shades of detail:

**Option 1: Concise and General**

> 幸運數字 (Xìngyùn shùzì): 探索文章中提及的代表好運和吉祥的數字。

**(Translation: Lucky Numbers: Explore the numbers mentioned in posts that represent good fortune and auspiciousness.)**

**Option 2: Slightly More Descriptive**

> 幸運數字 (Xìngyùn shùzì): 尋找與好運、吉祥、以及成功有關的數字。 了解這些數字在不同文化和文章中的意義與運用。

**(Translation: Lucky Numbers: Find numbers associated with good luck, auspiciousness, and success. Learn about the meanings and uses of these numbers in different cultures and articles.)**

**Option 3: Focusing on the Blog’s Content (Adjust as needed for your blog)**

> 幸運數字 (Xìngyùn shùzì): 在我們的文章中，我們會經常提到與財運、健康、愛情等多方面相關的幸運數字。 點擊此處，了解更多與這些數字相關的解析和建議。

**(Translation: Lucky Numbers: In our articles, we often mention lucky numbers associated with finances, health, love, and more. Click here to learn more about the analysis and suggestions related to these numbers.)**

**Option 4: Short & Sweet**

> 幸運數字 (Xìngyùn shùzì): 關於好運的數字。

**(Translation: Lucky Numbers: About numbers of good luck.)**

**Key things considered when writing these descriptions:**

* **Clarity:** The descriptions are easy to understand in Traditional Chinese.
* **Relevance:** They clearly describe the subject matter of the tag.
* **Keywords:** They incorporate relevant keywords like “好運” (good luck), “吉祥” (auspiciousness), “數字” (numbers).
* **Context (Option 3):** Tailored to explain how that relates to the specific content on the blog (you can modify this one to match the type of content you have).
* **Brevity:** WordPress tag descriptions are typically short; however, all options are easily readable and concise.

**How to choose the right description:**

* **Consider your target audience:** Who are you writing for? How much detail do they need?
* **Consider your content:** What is the focus of the posts tagged with this tag?
* **Keep it concise:** Choose a description that accurately summarizes the tag’s theme without being overly verbose.

Remember to select the option that best suits the specific content of your website. You can change it later if needed.