Here are a few options for the description of the WordPress post tag “視訊功能” (Video Features) in Traditional Chinese, ranging from brief to slightly more detailed:

**Option 1 (Concise):**

> 關於網站或應用程式內的視訊相關功能。涵蓋影片播放、視訊會議、視訊串流等。

> (About video-related features within websites or applications. Including video playback, video conferencing, video streaming, etc.)

**Option 2 (Slightly more detail):**

> 這個標籤涵蓋所有關於視訊的功能，包括但不限於影片上傳、嵌入、播放，實時視訊會議，以及視訊串流的技術與應用。

> (This tag covers all video-related features, including but not limited to video uploading, embedding, playback, real-time video conferencing, and the technologies and applications of video streaming.)

**Option 3 (Focus on users and usage):**

> 了解如何利用視訊功能，在你的網站或應用程式中提升使用者體驗。包括視訊觀看、互動、教學，以及更多。

> (Learn how to utilize video features to enhance the user experience on your website or application. Including video viewing, interaction, education, and more.)

**Option 4 (Technical focus):**

> 專注於視訊功能的技術方面，包括視訊編碼、解碼、格式，以及相關的 API 與開發工具。

> (Focused on the technical aspects of video features, including video encoding, decoding, formats, and related APIs and development tools.)

**How to Choose the Best Option:**

* **Consider the Audience:** Who is reading your blog? Are they tech-savvy developers, general users, or a mix? Tailor the description to their level of understanding.
* **The Content:** What kinds of posts will be tagged with “視訊功能”? Choose the description that best reflects the typical content.
* **Length Restrictions:** Some WordPress themes have display restrictions for tag descriptions. Consider this when choosing the length.

**Recommendation:**

Often, Option 2 or 3 offers a good balance of detail and clarity. They give a good overview of what the tag encompasses without being too broad or too restrictive.