Here’s a description for the WordPress post tag “教材” (pronounced “jiàocái” in Mandarin, or “gaau3 coi4” in Cantonese), written in Traditional Chinese:

**正體中文描述:**

用於標示與學習資料、教學素材相關的文章，包括課本、講義、習題、參考書、學習工具等。涵蓋各個學科、年齡層的教材，旨在幫助讀者找尋、分享或討論教育和學習相關的資源。

**English Translation (for context and reference):**

Used to tag articles related to learning materials and teaching resources, including textbooks, lecture notes, exercises, reference books, and learning tools. It covers educational materials for various subjects and age groups. The aim is to help readers find, share, or discuss resources related to education and learning.

**Key Features of this description:**

* **Concise and Clear:** It gets straight to the point about the nature of the tag.
* **Comprehensive:** It lists examples of materials covered.
* **Accessible:** It uses common language.
* **Useful** Explains the purpose and objective of the tags.
* **Targeted at Chinese Speakers:** It uses Traditional Chinese.