Here are a few options for a description of a WordPress post_tag “流行” (liúxíng – meaning “popular,” “fashion,” or “trend”) in Traditional Chinese, catering to different levels of detail and audience:

**Option 1: Concise & Clear (Good for General Use)**

> 指的是現今廣為人知、受到大眾喜愛的事物。包含時尚、文化、音樂、科技，以及各種趨勢。
>
> *Translation: Refers to things that are widely known and loved by the public. Includes fashion, culture, music, technology, and various trends.*

**Option 2: Slightly More Detailed (For Websites About Trends)**

> “流行”代表著當下的潮流趨勢，涵蓋了時下最受歡迎的款式、風格、娛樂、生活方式等。 探索最新的、最夯的話題與事物。
>
> *Translation: “Liúxíng” represents current trends. It encompasses the most popular styles, trends, entertainment, and lifestyles. Explore the latest and hottest topics and things.*

**Option 3: Focusing on the Cultural Aspect (Good for a Cultural Blog)**

> 深入探索“流行”背後的文化現象，揭示潮流如何影響我們的生活。從音樂、電影到服飾、科技產品，探索構成流行文化的重要元素。
>
> *Translation: Delve into the cultural phenomena behind “liúxíng,” revealing how trends influence our lives. From music and movies to clothing and technology, explore the important elements that constitute pop culture.*

**Option 4: Simple & Direct (Best for a Very Basic Website)**

> 最新、最熱門的事物。
>
> *Translation: The latest and most popular things.*

**Key Considerations when Choosing:**

* **Website’s Topic:** Should accurately reflect what your website focuses on regarding topics related to “流行”
* **Target Audience:** Try to match the language level and style to your audience.
* **Character Limit (if any):** WordPress handles descriptions differently depending on theme. Make sure the length fits the theme used.

Choose the option that best suits the context of your WordPress site and the content you’re posting. I recommend testing each and comparing. You can usually enter this in the “Tag” section within the post or page editor when you are setting the tag.