Here’s a description for the WordPress tag “PDF” in Traditional Chinese, keeping it concise and helpful:

**Traditional Chinese:** PDF

**Description:** 用於標記與可攜式文件格式（PDF）相關的內容，例如可下載的報告、指南、表格等。 方便快速找到PDF檔案。 **標籤：** PDF檔案, 便攜式文档格式, 文件下載

**English Translation (for reference, not to be placed in the WordPress description):** Used to tag content related to Portable Document Format (PDF), such as downloadable reports, guides, forms, etc. Convenient for quickly finding PDF files. **Tags:** PDF files, Portable Document Format, File Download

**Explanation of the description:**

* **Concise Title:** The main thing is the tag title.
* **Clear Purpose:** Explains what this tag signifies: anything related to PDF files.
* **Practical Examples:** Gives examples of the kind of content this tag should be applied to.
* **Benefit to Users:** Highlights that it helps users **quickly find** these PDF files, enhancing usability.
* **Keyword-rich:** Includes synonyms / related search terms:
* **PDF檔案** (PDF file)
* **便攜式文档格式** (Portable Document Format)
* **文件下載** (File Download)

You can simply copy and paste the Traditional Chinese description into the “Description” field for the “PDF” tag in your WordPress admin panel. Using Chinese keyboard input, you likely could input the same Chinese to create the tag.