Here are a few descriptions for the WordPress post_tag “親屬” (Relatives) in Traditional Chinese, varying in tone and detail:

**Option 1: Concise and Direct**

> 所有關於親屬關係的文章，包含家庭、親人、家族等相關內容。

> **Translation:** All articles related to familial relationships, including family, relatives, and lineage.

**Option 2: Slightly More Descriptive**

> 這個標籤用於標記關於家庭、親屬、家族關係、以及親情故事的文章。 從父母子女到兄弟姐妹，以及更多其他親屬之間的互動、關係和故事，都涵蓋其中。

> **Translation:** This tag is used to mark articles about families, relatives, family relationships, and stories of kinship. From parent-child relationships to siblings, and interactions, connections, and stories of other relatives are all included.

**Option 3: Emphasizing Culture and Context**

> 在這裡探索與親屬相關的文化、傳統和故事。 我們將分享有關家庭價值觀、祖先崇拜、家族歷史，以及與親屬相關的各種文化習俗與傳統節日，例如農曆新年和清明節等等。

> **Translation:** Here, explore the culture, traditions, and stories related to relatives. We will share information about family values, ancestor worship, family history, as well as various cultural customs and traditional festivals related to relatives, such as Lunar New Year and Tomb-Sweeping Day (Qingming Festival), etc.

**Option 4: Practical and Search-Focused**

> 想要尋找關於家庭、親人、親屬關係的文章？ 這個標籤將您引導到所有相關內容，包括家庭聚會、婚喪喜慶、或是家族歷史的回顧。 關鍵字: 親人, 家庭, 家族, 親戚, 親情, 家庭關係

> **Translation:** Looking for articles about family, loved ones, and family relationships? This tag will guide you to all related content, including family gatherings, weddings, funerals, or the review of family history. Keywords: Relatives, Family, Kin, Family Members, Kinship, Family Relationships.

**Key considerations when choosing:**

* **Your Blog’s Focus:** Are you more focused on general familial relationships or specific cultural aspects?
* **Target Audience:** What kind of posts are you writing and who are you trying to reach?
* **Keyword Optimization:** Consider adding relevant keywords to improve searchability.
* **Length and Detail:** Choose a description that suits your site’s overall style.

I recommend using **Option 4** if your blog frequently covers topics with practical and search-related information.
If your blog covers familial relationships from the cultural aspect I would suggest using **Option 3**.
Otherwise, **Option 2** is a good balance if you want to cover the topic broadly.