Here are a few options for a WordPress post tag description for “單親” (Single Parent) in Traditional Chinese, catering to different nuances and levels of detail:

**Option 1 (Concise & General):**

> 關於單親家庭及其相關議題的標籤。包括單親父母、子女、福利支援等。
>
> *(This tag is about single-parent families and related issues. Includes single parents, children, welfare support, etc.)*

* **Rationale:** Clear, informative, and brief. It’s suitable for a broad audience and accurately summarizes the tag’s purpose.

**Option 2 (Focus on Support & Resources):**

> 探索單親家庭面對的挑戰與機遇。此標籤收錄文章，提供資源、建議，希望能促進單親家庭的身心健康與福祉。
>
> *(Exploring the challenges and opportunities faced by single-parent families. This tag includes articles offering resources and suggestions, aiming to promote the physical and mental health and well-being of single-parent families.)*

* **Rationale:** Focuses on providing support and relevant content. It suggests a more nurturing and resource-oriented approach. Good if your blog or website is dedicated to helping single parents.

**Option 3 (Emphasis on Diversity & Inclusion):**

> 這個標籤關注單親家庭的多樣性與包容性。涵蓋不同單親成因、不同家庭型態，並提倡對各種單親家庭的理解和支持。
>
> *(This tag focuses on the diversity and inclusion of single-parent families. Covering different causes of single parenthood, different family types, and advocating for understanding and support for all kinds of single-parent families.)*

* **Rationale:** Highlights the importance of diversity and acceptance. Good if your content addresses a wide range of single-parent situations (widowed parents, divorced parents, single-by-choice, etc.).

**Option 4 (More Technical & Keyword-Driven, if you need it for SEO):**

> 專注於單親家庭的文章，包括單親父母、單親育兒、單親支持、單親福利、單親生活。探索單親家庭的挑戰、建議與資源。
>
> *(Focuses on articles about single-parent families, including single parents, single-parent parenting, single-parent support, single-parent welfare, single-parent life. Exploring the challenges, advice, and resources for single-parent families.)*

* **Rationale:** This option is longer and includes keywords related to search terms, which can help with SEO. Use this option if you want the tag to appear in search results related to those specific terms.

**Key Considerations When Choosing:**

* **Your Content:** Which best relates to the content you’ll be tagging with “單親”?
* **Your Audience:** Who are you writing for? Are you addressing support, information, or raising awareness?
* **Your Website’s Purpose:** What is the overall tone and purpose of your website or blog?

Remember to use the appropriate WordPress interface to input your chosen description after creating the tag. Make sure to review and slightly adjust the description based on the specific context of your website/blog. Good luck!