Here are a few description options for the WordPress post tag “電商” in Traditional Chinese, ranging in specificity:

**Option 1 (General & Broad):**

> 涵蓋所有與電子商務相關的文章。從線上商店、數位行銷到最新的產業趨勢，都在這裡彙整。
>
> (Translation: Covers all articles related to e-commerce. From online stores, digital marketing, to the latest industry trends, it’s all collected here.)

**Option 2 (Focus on Variety of Topics):**

> 關於網路商店、線上銷售、數位行銷、客戶體驗、物流配送、跨境電商等等，所有與電子商務相關的資訊和見解。
>
> (Translation: Information and insights related to e-commerce, including online stores, online sales, digital marketing, customer experience, logistics and delivery, cross-border e-commerce, and more.)

**Option 3 (Emphasis on Practical Advice):**

> 提供您關於電子商務的策略、技巧、案例分析和實用指南，幫助您建立、發展或優化您的線上業務。
>
> (Translation: Provides you with strategies, techniques, case studies, and practical guides related to e-commerce, helping you build, develop, or optimize your online business.)

**Option 4 (Short & Sweet):**

> 電子商務 (E-commerce) 相關文章。
>
> (Translation: E-commerce (E-commerce) related articles.)

**Which option is best depends on your website’s target audience and the type of content you publish.**

* If you cover a wide range of e-commerce topics, Option 1 or 2 would be suitable.
* If you focus on providing practical advice, Option 3 is a good choice.
* If you want a short and simple explanation on the purpose on the tag, then Option 4 works well.

**Key Considerations when choosing a description:**

* **Clarity:** The description should be easy for readers to understand quickly what the tag represents.
* **Relevance:** It must accurately reflect the articles you’re tagging with “電商.”
* **Keywords:** Consider including relevant keywords (like the examples above) to improve the tag’s SEO.
* **Length:** WordPress tag descriptions aren’t usually displayed prominently, so keep it relatively concise.