Here are a few options for the post_tag description, catering to different purposes:

**Option 1: Simple and Concise (Good for general use)**

> 數位影像相關的文章，分享攝影技巧、數位圖像處理、影像編輯等等。

*Translation: Articles related to digital images, sharing photography techniques, digital image processing, image editing, etc.*

**Option 2: Focused on Photography (If your blog is heavily photography-focused)**

> 攝影愛好者的天堂！這裡有關於數位影像的各種資訊，從相機設定到後期處理，讓你拍出更美的照片。

*Translation: Heaven for photography enthusiasts! Here you’ll find all sorts of information about digital images, from camera settings to post-processing, to help you take more beautiful photos.*

**Option 3: Techy and Informative (If you’re discussing technical aspects)**

> 關於數位影像技術的博文，包括圖像格式、色彩空間、影像壓縮、以及最新的數位影像技術發展。

*Translation: Blog posts about digital image technology, including image formats, color spaces, image compression, and the latest developments in digital image technology.*

**Option 4: Broad and Inclusive (If your blog covers a wide range of topics)**

> 關於數位影像的不同面向：攝影、圖像設計、影像編輯、數位藝術，以及各種相關的創作與應用。

*Translation: Different aspects of digital images: photography, graphic design, image editing, digital art, and various related creations and applications.*

**How to Choose Which Description to Use:**

* **Consider your audience:** Who are you writing for? Are they casual readers or tech-savvy professionals?
* **Reflect your blog’s content:** Does your blog mostly focus on photography, design, technical aspects, or a bit of everything? Use a description that accurately reflects your content.
* **Keyword optimization:** While not crucial, it’s good to include relevant keywords like 攝影 (photography), 圖像 (image), 編輯 (editing), etc. in your description.
* **Be clear and concise:** Keep the description short and to the point.

Remember to add this description to your “Tag Description” field within the WordPress tag editing screen whenever you want this tag to be applied to. Good luck!