Here are a few options for a WordPress post_tag description for the title “忌日” (jì rì) in Traditional Chinese, with varying levels of detail and focus:

**Option 1: Concise & General**

* **Description:** 重要日子，紀念逝者之日。（A significant day, commemorating the day of a deceased person.）
* **Why it’s good:** Clear, concise, and universally applicable.

**Option 2: More Specific (adds a feeling of solemn)**

* **Description:** 追思逝世親友的特別日子，表達哀思與懷念。（A special day for remembering and grieving deceased relatives and friends, expressing sorrow and remembrance.）
* **Why it’s good:** More evocative, hints at the emotional weight of the topic.

**Option 3: Instructional (in the context of a WordPress blog focusing on chinese culture)**

* **Description:** 標記相關文章的主題，內容涉及紀念離世親友的重要日子，包括時間，儀式，以及相應的傳統文化習俗。（Tag articles discussing the special day in the memory of deceased relatives and friends, include the time, ceremonies, and relevant traditional cultural customs.）
* **Why it’s good:** Ideal if your blog covers the details of “忌日” rituals and traditions. Makes the tag informative for users.

**Option 4: Shortest & Practical**

* **Description:** 忌日相關內容。（Content related to memorial days.）
* **Why it’s good:** Very short and straightforward. Useful when character limit is a concern.

**Which option to choose will depend on your blog’s audience and content.**

Remember to adjust the tone and details to match the overall style of your WordPress blog.