Here’s a suitable description for the WordPress post tag “柑橘” in Traditional Chinese, considering its meaning (citrus fruits):

**Description Options:**

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

> 柑橘類水果，包含橙、橘、柚等，富含維生素C，口感酸甜，種類繁多，是飲食常見的健康水果。

* **Translation:** Citrus fruits, including oranges, tangerines, grapefruits, etc., rich in vitamin C, with a sweet and sour taste, and available in many varieties. They are a common and healthy food.

**Option 2 (Slightly More Descriptive):**

> 探索「柑橘」的世界！這裡包含了各種柑橘類水果，從甜美的橙子到清新的柚子，以及各式各樣的品種介紹。了解它們的營養價值和烹飪應用，享受多姿多彩的柑橘風味。

* **Translation:** Explore the world of “Citrus”! This includes all kinds of citrus fruits, from sweet oranges to refreshing grapefruits, as well as introductions to various varieties. Learn about their nutritional value and culinary applications, and enjoy the colorful citrus flavors.

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

> 關於各式柑橘的分類、品種、產季、以及食譜和健康資訊。涵蓋橙、橘、柚、檸檬等，幫助你更了解柑橘類水果。

* **Translation:** Information about all kinds of citrus fruits, including classifications, varieties, seasons, recipes, and health information. Covering oranges, tangerines, grapefruits, lemons, etc., to help you better understand citrus fruits.

**Choose the best option for your blog based on:**

* **Your Content:** Does your blog focus on recipes, nutritional information, or general fruit knowledge?
* **Your Target Audience:** Are they beginners or more knowledgeable?
* **Your Overall Tone:** Casual, informative, professional?

**How to use it in WordPress:**

1. **Go to your Post Tags section (usually under “Posts” in the WordPress admin).**
2. **Add the tag name “柑橘”.**
3. **In the “Description” field, copy and paste your chosen description from above.**
4. **Click “Add New Tag”.**

This description will help users understand what content is associated with the tag “柑橘” when they are browsing your website. Good luck!