Here are a few options for a WordPress post_tag description for “手機” (Traditional Chinese for “Mobile Phone”), ranging in formality and specificity:

**Option 1: Concise & General**

* **Description:** 關於手機的相關資訊，包括最新型號、評測、應用等等。 (Information related to mobile phones, including the latest models, reviews, applications, etc.)

**Option 2: Slightly More Detailed & Action-Oriented**

* **Description:** 探索手機世界，從新手機發佈到實用應用程式，盡在這裡找到。(Explore the world of mobile phones, from new releases to practical applications, find them all here.)

**Option 3: Focused on Technical Aspects**

* **Description:** 討論智慧型手機的技術規格、規格比較、以及技術趨勢。 (Discussion of smartphone technical specifications, specifications comparison, and technological trends.)

**Option 4: Considering a target audience that enjoys the lifestyle aspect**

* **Description:** 手機是生活的一部分，探索各式各樣的手機、周邊配件、以及使用技巧，豐富您的數位生活。(Mobile phones are a part of life. Explore all kinds of mobile phones, peripheral accessories, and usage tips to enrich your digital life.)

**Key Considerations When Choosing:**

* **Your Blog’s Focus:** What kind of content do you write about? (Reviews, tutorials, news, etc.) Select a description that aligns with your blog’s themes.
* **Target Audience:** Who are you writing for? Consider their level of technical expertise and interests.
* **SEO (Search Engine Optimization):**
* Include relevant keywords (like “手機” itself!). But, also consider adding more descriptive words to help users and search engines understand the content. Keywords like “最新型號” (latest models), “應用程式” (applications), “評測” (reviews), or “技術規格” (technical specifications), etc., can boost your SEO.

**How to Add the Description in WordPress:**

1. **In the WordPress Admin:** Go to “Posts” > “Tags.”
2. **Find the Tag:** Locate the “手機” tag in your tag list.
3. **Edit:** Hover over the tag and click “Edit” (or just click on the tag title itself).
4. **Tag Description:** Look for the “Description” field (it might be in the “Tag” section). Paste or type your chosen description into this field.
5. **Update:** Click the “Update” button to save your changes.

By using a well-written description, you can clearly indicate the topic of content using that tag and increase visibility on search engines and your own site.