Here are a few options for a WordPress post_tag description, keeping in mind the goal is clarity and a brief explanation:

**Option 1 (Simple & Direct):**

> 全家便利商店相關的文章。 (Articles related to FamilyMart convenience stores.)

**Explanation:** This is clear, concise, and directly explains the tag’s purpose. It focuses on the brand association.

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

> 關於全家便利商店、Fami!ce 霜淇淋、鮮食、Let’s Café 等的全家商品和服務的文章。 (Articles about FamilyMart convenience stores, Fami!ce ice cream, prepared foods, Let’s Café, and other FamilyMart products and services.)

**Explanation:** This provides a bit more specifics about the content that this tag is likely referencing, helping readers understand the types of content they’ll find.

**Option 3 (Focused on Experience):**

> 分享在全家便利商店购物、享受美食，以及體驗各種服務的心得與文章。 (Sharing experiences and articles about shopping, enjoying food, and experiencing various services at FamilyMart convenience stores.)

**Explanation:** This option is good if your blog focuses on reviews or user experiences.

**Option 4 (Concise with Context):**

> 「全家」相關文章，包括便利商店、商品與活動分享。 (Articles related to “FamilyMart,” including convenience stores, product and event sharing.)

**Explanation:** This is a very brief option, but still includes important context for users.

**How to Implement in WordPress:**

1. **Go to the “Tags” section:** In your WordPress admin panel, navigate to “Posts” > “Tags.”
2. **Find/Edit the Tag “全家”:** Locate the tag “全家” in the tag list. Click on it to edit, or if you’re creating it, fill out the fields.
3. **Enter the Description:** In the “Description” field for the tag, paste the text you chose from the options above.
4. **Update/Create:** Click “Update” (if editing) or “Add New Tag” (if creating) to save your description.

**Recommendation:**

Choose the description that best fits the content of *your* blog. If your blog primarily focuses on reviews, option 3 would likely be best. If you write about different aspects of family mart’s products use option 2. If it’s a general roundup, option 1 or 4 are fine. Make sure to choose the one that is most helpful to *your* readers.