Here are a few descriptions for a WordPress post tag with the title “plural” in Traditional Chinese (plural form in Chinese characters):

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

* **Title (Tag):** 複數 (fù shù)
* **Description:** 標記與複數名詞、動詞變化或概念相關的文章。 (Biao ji yu fushou mingci, dongci bianhua huo gainian xiangguan de wenzhang. – Marks articles related to plural nouns, verb conjugations, or concepts.)

**Option 2 (More Contextual):**

* **Title (Tag):** 複數 (fù shù)
* **Description:** 用於標記討論多個事物或個體的文章。例如，關於複數名詞、群體、或者有兩個以上元素的內容。 (Yong yu biao ji taolun duo ge shiwu huo geti de wenzhang. Li ru, guanyu fushou mingci, qunti, huozhe you liang ge yishang yuansu de neirong. – Used to mark articles discussing multiple things or individuals. For example, about plural nouns, groups, or content with two or more elements.)

**Option 3 (Focus on Usage):**

* **Title (Tag):** 複數 (fù shù)
* **Description:** 此標籤用於分類討論複數形式的語言學、數學、或文化相關的文章。 (Ci biaoqian yong yu fenlei taolun fushou xingshi de yuyanxue, shuxue, huo wenhua xiangguan de wenzhang. – This tag is used to categorize articles discussing the plural form related to linguistics, mathematics, or culture.)

**Option 4 (If the blog frequently uses English):**

* **Title (Tag):** 複數 (fù shù)
* **Description:** 標記關於 plural 的內容。例如，複數名詞、多個 objects 或 集合。 (Biao ji guanyu plural de neirong. Li ru, fushou mingci, duo ge objects huo jihe. – Marks content about plural. For example, plural nouns, multiple objects, or collections.)

**Key considerations when choosing:**

* **Your target audience:** Who is going to read your blog? A simpler description is often best for a general audience.
* **The content of your blog:** Does your blog focus on language, math, culture, or a mix? Tailor the description accordingly.
* **Overall style:** Maintain a consistent tone and style with your other tag descriptions.
* **SEO (Search Engine Optimization):** Although tag descriptions have a small impact on SEO their is little impact on SEO; the title of the tag is more significant. If you’re targeting a specific keyword, consider including it.

Remember to choose the description that best suits your needs and the content of your WordPress blog! Also, be sure to input the Traditional Chinese characters (複數) directly into the WordPress interface for the tag title. Good luck!