Here are a few options for the post tag description, depending on the nuance you want to convey:

**Option 1: Simple and General**

* **簡介:** 為文章標記「自我辯護」相關內容。 (Introduction: Markers for content related to “Self-Defense.”)

**Option 2: Emphasizing the Purpose**

* **目的:** 將探討「自我辯護」的文章分類，方便讀者查找。 (Purpose: To categorize articles exploring “Self-Defense,” making them easier for readers to find.)

**Option 3: With a Bit More Detail**

* **說明:** 本標籤涵蓋關於「自我辯護」的文章，包括解釋、案例分析、理論探討等。 (Explanation: This tag encompasses articles about “Self-Defense,” including explanations, case studies, theoretical discussions, and so on.)

**Option 4: Focusing on the Act of Defending Oneself**

* **內容:** 用於標記與為自己辯護、自我保護、爭取權益相關的文章。 (Content: Used to mark articles related to defending oneself, self-protection, and fighting for rights.)

**Option 5: A bit more “formal/academic”**

* **定义:** 用于标识探讨关于自我辩护主题的文章，涵盖从法律、道德、社会等多方面角度的分析。 (Definition: Used to identify articles exploring the theme of self-defense, encompassing analysis from legal, ethical, social, and other perspectives.)

Choose the description that best reflects the content of your posts tagged with “自我辯護” and your overall blog’s tone. I would recommend either **Option 1** or **Option 2** for their simplicity and clarity.