Here’s a suitable description for a WordPress post tag with the title “重症” (Chóngzhèng, meaning “severe illness” or “critical condition”) in Traditional Chinese:

**Description:**

涵蓋涉及嚴重疾病和危急狀況的文章。 涵蓋病情嚴重度、治療方案、以及患者護理等相關話題。 標籤常用於描述醫院、醫療診斷、重症監護室（ICU）、以及需緊急救助或長時間住院的疾病。
(Hánggài shèjí yánzhòng jíbìng hé wēijí zhuàngkuàng de wénzhāng. Hánggài bìngqíng yánzhòngdù, zhìliáo fāng’àn, yǐjí huánzhě hùlǐ děng xiāngguān huàtí. Biāoqían chángyòng yú miáoshù yīyuàn, yīliáo zhěnduàn, zhòngzhèng jiān hùshì (ICU), yǐjí xū jǐnjí jiùzhù huò cháng shíjiān zhùyuàn de jíbìng.)

**Translation of the Description:**

This tag covers articles related to severe illnesses and critical conditions. It encompasses topics such as the severity of the illness, treatment plans, and patient care. This tag is often used to describe hospitals, medical diagnoses, Intensive Care Units (ICUs), and illnesses requiring emergency assistance or prolonged hospitalization.

**Key Features and Considerations:**

* **Comprehensive:** It covers the broad meaning of “重症”.
* **Informative:** Provides context about the kind of articles this tag applies to.
* **Usefulness:** Helps users understand the scope of articles under this tag.
* **Traditional Chinese:** Uses appropriate characters and grammar.
* **Practicality:** Suitable for organizing and categorizing WordPress content.
* **Keywords:** Uses important relevant terms such as 病情 (bìngqíng – condition of the illness), 治療方案 (zhìliáo fāng’àn – treatment plan), 護理 (hùlǐ – care), 醫院，診斷，ICU, 急救 (jǐjiù – emergency aid) and 住院 (zhùyuàn – hospitalization)