Okay, here are a few options for a WordPress post tag description for “航空” (Hángkōng) in Traditional Chinese, ranging from concise to more descriptive, depending on your needs:

**Option 1: Concise & General**

* **Traditional Chinese:** 航空 (Hángkōng)
* **Description:** 包含與空中交通、飛行器、航空業相關的內容。 | Contains content related to air travel, aircraft, and the aviation industry.

**Option 2: Slightly More Descriptive**

* **Traditional Chinese:** 航空 (Hángkōng)
* **Description:** 航運與航空相關的文章標籤，涵蓋飛機、機場、航空公司的資訊，以及飛行體驗等等。 | Tag for articles related to aviation and air travel, covering information about airplanes, airports, airlines, as well as flying experiences.

**Option 3: Focusing on Current Affairs (if applicable to your blog)**

* **Traditional Chinese:** 航空 (Hángkōng)
* **Description:** 關於最新的航空新聞、航空公司動態、飛行安全、以及航空科技發展的資訊。 | Information about the latest aviation news, airline developments, flight safety, and advancements in aviation technology.

**Option 4: Broader in Scope (Good if you’re writing a general topic blog)**

* **Traditional Chinese:** 航空 (Hángkōng)
* **Description:** 探索天空的領域。此標籤囊括了各式飛機、航天科技、歷史上的飛行事件、飛行員故事、及其他與航空相關的任何事物。| Explore the realm of the sky. This tag encompasses various aircraft, aerospace technology, historical flight events, pilot stories, and anything else related to aviation.

**Important Considerations and Tips:**

* **Context is Key:** Choose the description that best reflects the content you’ll be tagging with “航空.” Consider the overall theme and targeted audience of your WordPress blog.
* **SEO (Search Engine Optimization):** While tags are less important for SEO than categories, including relevant keywords (like “飛機” – airplane, “航空公司” – airline, “機場” – airport) can help. However, avoid keyword stuffing; the descriptions should still read naturally.
* **Character Limits:** Be mindful of any character limits your WordPress theme and the tags plugin you use may impose.
* **Consistency:** Strive for a consistent style in your tag descriptions.
* **Localization:** Remember to test how your post tagged with “航空” will look in different languages if your blog site has multilingual support.