Here are a few options for the description of a WordPress post tag titled “存證信函格式” (Legal Letter Format), catering to different levels of SEO-friendliness and clarity:

**Option 1: Simple and Clear**

* **描述 (Description):** 瞭解存證信函的正確格式及撰寫重點。提供常見的範本與教學，助您輕鬆應對。

* *Translation:* Understand the correct format and key writing points of a legal letter. We provide common templates and tutorials to help you handle it easily.

**Option 2: More SEO-focused with Keywords**

* **描述 (Description):** 存證信函格式教學，提供完整範例、格式範本下載，教您如何撰寫符合法律效力的存證信函。包含內容撰寫要點、寄送方式、注意事項等，幫助您有效維護自身權益。

* *Translation:* Legal Letter Format Tutorial, offering complete examples and template downloads. It teaches you how to write legally effective legal letters. Includes key points for content writing, methods of dispatch, and precautions to help you effectively protect your rights.

**Option 3: Emphasizing Practicality & Usage**

* **描述 (Description):** 想寫一封有效的存證信函嗎？這個標籤提供存證信函格式範本、寫作教學、以及常見情境範例，包括租賃糾紛、債務催討等等。讓您輕鬆上手，不再為信函撰寫煩惱。

* *Translation:* Want to write an effective legal letter? This tag provides legal letter format templates, writing tutorials, and common scenario examples, including rental disputes, debt collection, etc. Makes it easy to get started and no longer worry about writing letters.

**Option 4: More Detailed**

* **描述 (Description):** 存證信函格式指南，涵蓋撰寫存證信函所需的一切知識。包括格式範例、不同情境下的範本、內文撰寫技巧、寄送流程及注意事項，以及如何確保信函的法律效力。帮助您在法律事务中更好地保护自己的权益。

* *Translation:* Legal Letter Format Guide, covering everything you need to know to write a legal letter. Includes format examples, templates for different scenarios, content writing skills, sending procedures and precautions, and how to ensure the legal validity of the letter. Helps you better protect your rights in legal affairs.

**Explanation of improvements and considerations:**

* **Keywords:** Includes relevant keywords like “存證信函格式” (Legal Letter Format), “範本” (template), “教學” (tutorial/teaching), “寫作” (writing), “格式” (format), “債務” (debt), “租賃” (rental).
* **Conciseness:** Descriptions should be clear and to the point, summarizing the content related to the tag.
* **Target Audience:** These options are tailored toward individuals seeking information or assistance with writing legal letters in a Taiwanese or Chinese-speaking context.
* **Call to Action (Optional):** If relevant, you could include a less direct “了解更多” (Learn More) or similar call to action to encourage clicks.
* **SEO (Search Engine Optimization):** While direct keyword stuffing is not recommended, these descriptions incorporate relevant keywords naturally. Longer, more informative descriptions tend to also perform better in search.

**Recommendation:**

I would recommend **Option 2** or **Option 4**. They are more comprehensive and give a clearer idea of the content associated with the tag, while incorporating helpful keywords. Make modifications to focus on your specific content. Feel free to adapt these to fit your blog’s tone and the content you provide!