Here are a few options for a WordPress post_tag description for “自閉症” (Autism) in Traditional Chinese, each with a slightly different focus:

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

> 自閉症（Autism）相關文章的標籤。 涵蓋自閉症譜系障礙（ASD）的各個方面，包括診斷、治療、支持和生活。
>
> *Translation: Tag for articles related to Autism. Covers various aspects of Autism Spectrum Disorder (ASD), including diagnosis, treatment, support, and life.*

**Explanation:**

* **Concise and to the point:** Clearly states the topic and purpose.
* **Includes the English for clarity:** Useful for users who might only know some Chinese.
* **Broad coverage:** Mentions core facets to attract diverse content.

**Option 2 (Emphasis on Information & Resources):**

> 關於自閉症（Autism Autism Spectrum Disorder）的資訊、資源和最新研究。 了解自閉症的症狀、成因、常見的治療方法，以及如何為自閉症人士提供支持。 包含相關的教育、家庭和社區資源。
>
> *Translation: Information, resources, and the latest research on Autism (Autism Spectrum Disorder). Learn about the symptoms, causes, common treatments, and how to provide support for people with autism. Includes relevant education, family, and community resources.*

**Explanation:**

* **Highlights information seeking:** Suggests the tag will contain valuable information.
* **Focuses on practical aspects:** Addresses symptoms, causes, and treatment.
* **Includes resources:** Directly references valuable additional content types.

**Option 3 (Community Focus):**

> 一個支持自閉症（自閉症譜系障礙）人士及其家庭的標籤。 分享經驗、交流資訊，並尋找連結社區資源的平台。 歡迎相關的文章、故事和倡議。
>
> *Translation: A tag to support individuals with Autism (Autism Spectrum Disorder) and their families. A platform for sharing experiences, exchanging information, and finding connections to community resources. Welcome articles, stories, and initiatives related to this.*

**Explanation:**

* **Community-oriented:** Focuses on building a support network.
* **Active language:** Invites contributions.
* **Positive tone**: Focuses on growth by sharing experiences and finding connections.

**Option 4 (Shorter and Emphasis on Keyword):**

> 自閉症（Autism）。 關注自閉症譜系障礙（ASD）相關資訊，包括診斷、治療、支持、教育和生活。
>
> *Translation: Autism (Autism). Covering information related to Autism Spectrum Disorder (ASD), including diagnosis, treatment, support, education, and living.*

**Explanation:**

* **Very concise and focused**: Good if you have character limitations.
* **Prioritizes clear keywords:** makes the page easily searchable.

**How to Choose:**

Consider these factors when choosing the description:

* **The overall theme of your website/blog:** Is it informational? Supportive? Community-focused?
* **Your target audience:** Who are you trying to reach?
* **The types of content you plan to publish under the tag:** Will you be covering research, personal stories, or resources?

You can also modify these descriptions to create the best fit for your specific needs! Remember to use the WordPress interface when adding the tag.