Here are a few description options for the WordPress post tag “一公斤” (Yī gōngjīn, meaning “one kilogram”) in Traditional Chinese, catering to different potential audiences and contexts:

**Option 1: Concise and Direct (General Use)**

* **Description:** 重量單位，等於一千克。
* **Translation:** Weight unit, equal to one kilogram.
* **Use Case:** Simple and widely applicable, suitable for explaining the tag’s fundamental meaning. Excellent for a general audience.

**Option 2: Adding Context (Food & Cooking)**

* **Description:** 用於衡量食物或其他物品的重量單位，例如食材、配料等。一公斤約等於2.2磅。
* **Translation:** Weight unit used for measuring the weight of food or other items, such as ingredients, seasonings, etc. One kilogram is approximately equal to 2.2 pounds.
* **Use Case:** Better if the content primarily involves food, cooking, or any field where weight is a key focus.

**Option 3: Emphasis on Metric System (Informative)**

* **Description:** 國際單位制 (SI) 的重量單位，代表一千克。在世界各地廣泛使用。
* **Translation:** The weight unit of the International System of Units (SI), representing one kilogram. Widely used around the world.
* **Use Case:** Suitable if you want to educate or highlight the international standard.

**Option 4: More Conversational (Beginner Friendly)**

* **Description:** 「一公斤」係重量的單位，就係一千克啦。 簡單來說，就係指東西嘅重量啦！
* **Translation:** “One kilogram” is a unit of weight, which is the same as one thousand grams. Simply put, it refers to the weight of something!
* **Use Case:** For a blog content targeting people with less technical knowledge. It offers a friendlier tone.

**How to Choose the Best Description:**

Consider these factors when choosing:

* **Your Website’s Audience:** Who are they? What level of technical language will they understand?
* **Your Content:** What is the primary topic of the articles tagged with “一公斤”? (food, science, general knowledge?)
* **Your Overall Tone:** Is your website formal, informal, educational, etc.?

**Important Note:**

* You would input these descriptions directly into the “Description” field of the post tag in WordPress when you create or edit the tag. Don’t put it in the “Name” or “Slug” fields!

Choose the description that best suits your needs and your audience! Good luck!