Here are a few options for the description, ranging from concise to more informative, for a WordPress post tag titled “90公斤” in Traditional Chinese characters:

**Option 1: Concise & Clear**

* **Description:** 指示重量，九十公斤。 (Indicates weight, ninety kilograms.)

**Option 2: Slightly More Descriptive**

* **Description:** 重量標籤： 90公斤。 (Weight tag: 90 kilograms.)

**Option 3: Focused on Content Relevance**

* **Description:** 本系列文章或內容與90公斤相關，可能涉及體重、物體重量，或飲食計畫等。(Articles or content in this series are related to 90 kg, possibly concerning body weight, object weight, or diet plans, etc.)

**Option 4: SEO-Focused**

* **Description:** 關於重量90公斤的信息，包括體重管理、健康指南、物體重量比較等。 (Information about the weight 90 kilograms, including weight management, health guidelines, object-weight comparisons, etc.)

**Why these options are good:**

* **Clarity:** They directly explain what the tag represents.
* **Relevance:** They hint at the types of content that would be associated with the tag.
* **Traditional Chinese:** They use correct and natural-sounding Traditional Chinese.
* **SEO-Friendly (Option 4):** Keywords like “重量 (weight),” “體重管理 (weight management),” and “健康指南 (health guidelines)” are included to help with search engine optimization.
* **Conciseness:** WordPress tag descriptions should be short and to the point.

**Choosing the Best Option:**

The best choice depends on your blog’s specific content. If your blog frequently discusses weight or related topics, options 3 or 4 might be most fitting. If the tag is used across different contexts, option 1 or 2 are generally safe. Make sure the description reflects the type of content found under this tag on your blog.