Here are a few options for the WordPress post_tag description, in Traditional Chinese, for the title “房屋稅”, along with explanations:

**Option 1 (Concise & General):**

* **Description:** 房地產相關稅務資訊，了解房屋稅的計算、申報與常見問題。
* **Translation:** Real estate-related tax information. Learn about the calculation, declaration, and common questions about the house tax.
* **Why this works:** Clear, concise, and covers the general topic of the tag. Good for a broad audience.

**Option 2 (Emphasis on Understanding):**

* **Description:** 掌握房屋稅，深入了解您的房地產稅務責任。
* **Translation:** Master the house tax. Deeply understand your real estate tax responsibilities.
* **Why this works:** Emphasizes the importance of understanding, making it appealing for users who want to be informed.

**Option 3 (Focus on Resourcefulness):**

* **Description:** 房屋稅相關資訊，提供實用的指南和資源，助您輕鬆應對。
* **Translation:** House tax-related information, providing practical guides and resources to help you cope easily.
* **Why this works:** Highlights providing practical help, which resonates well with someone looking for information.

**Option 4 (Slightly more specific, if applicable):**

* **Description:** 解讀房屋稅最新政策與計算方式，協助您有效規劃房地產稅務。
* **Translation:** Interpret the latest policies and calculation methods of the house tax, helping you to effectively plan your real estate taxes.
* **Why this works:** More specific to inform the user with valuable pieces of information.

**Tips for Choosing the Best Description:**

* **Consider Your Audience:** Who are you writing for? (General public, real estate professionals, etc.)
* **Purpose of the Tag:** What kind of content is associated with this tag? (News, how-to guides, analysis, etc.)
* **Keywords:** The description should implicitly include relevant keywords to help with search.
* **Character Limit:** WordPress has no strict character limit for a post_tag description; however, keep it relatively brief and to the point.

*Remember to choose the description which is best suited for your context. Enjoy using it!*