Here are a few options for the description for your WordPress post tag “國際化” (Internationalization) in Traditional Chinese, catering to different needs:

**Option 1: Concise & Informative**

> 了解如何在您的網站和應用程式中實踐國際化，讓它們更容易支持多種語言和文化。
>
> *Translation:* Learn how to implement internationalization in your website and applications, making them easier to support multiple languages and cultures.

**Option 2: Expanding on the meaning**

> 掌握國際化的要領，包括翻譯、本地化、和文化差異的考量。藉由妥善的國際化策略，讓您的内容可以有效地拓展海外市場，向全球受眾傳達訊息。
>
> *Translation:* Master the essentials of internationalization, including translation, localization, and considerations for cultural differences. With a well-executed internationalization strategy, your content can effectively expand into overseas markets and communicate your message to a global audience.

**Option 3: Focusing on benefits and purpose**

> 探索國際化的世界。了解如何讓您的網站適應不同的語言和文化，擴展全球影響力。 幫助您打造更具包容性、更全球化的網頁體驗。
>
> *Translation:* Explore the world of internationalization. Learn how to adapt your website to different languages and cultures, expanding your global reach. Helps you create a more inclusive and global web experience.

**Option 4: Keyword Rich** (useful for SEO)

> 深入了解「國際化」相關的 WordPress 技巧、本地化(localization)、多語言網站建立、網站翻譯、跨文化設計，以及全球市場拓展策略。
>
> *Translation:* Dive deep into WordPress techniques related to “Internationalization,” localization, multilingual website creation, website translation, cross-cultural design, and global market expansion strategies.

**Key Considerations When Choosing:**

* **Target Audience:** Who are you writing for? Are they beginners, experienced developers, or business owners?
* **Purpose of the Tag:** What kind of content will be associated with this tag? Focus on what they will learn.
* **Length:** Consider whether you need a brief description or more detail. WordPress may have character limits, but longer is often better for SEO.

I recommend using **Option 2 or 4** for the best coverage of the term’s meaning and inclusion of keywords. Good luck!