Here are a few options for a WordPress post_tag description, ranging in brevity and helpfulness, all in Traditional Chinese and tailored for the title “貓咪登記”:

**Option 1: Concise & Functional**

* **Description:** 貓咪登記相關資訊，包括註冊、領養及貓咪健康。 (Màomī dēngjì xiāngguān zīxùn, bāokuò zhùcè, lǐngyǎng jí màomī jiànkāng.) – *Information related to cat registration, including registration, adoption, and cat health.*

**Option 2: Slightly More Detailed**

* **Description:** 在此分類下，您可以找到關於貓咪登記的重要資訊、流程指引，以及與貓咪飼養相關的建議。 (Zài cǐ fēnlèi xià, nín kěyǐ zhǎodào guānyú màomī dēngjì de zhòngyào zīxùn, liúchéng zhǐyǐn, yǐjí yǔ màomī sìyǎng xiāngguān de建議.) – *Under this category, you can find important information regarding cat registration, procedural guides, and advice related to cat care.*

**Option 3: Engaging & User-Oriented**

* **Description:** 您想知道如何為您的貓咪登記嗎？或者正在尋找領養貓咪的資訊？這裡提供貓咪登記、寵物登記、領養與貓咪照護等所有實用指南，幫助您與您的貓咪建立更美好的關係。 (Nín xiǎng zhīdào rúhé wèi nín de màomī dēngjì ma? Huòzhě zhèngzài xúnzhǎo lǐngyǎng màomī de zīxùn? Zhèlǐ tígōng màomī dēngjì, chǒuwù dēngjì, lǐngyǎng yǔ màomī zhàohù děng suǒyǒu shíyòng zhǐnán, bāngzhù nín yǔ nín de màomī jiànlì gèng měihǎo de guānxì.) – *Want to know how to register your cat? Or are you looking for information on adopting a cat? Here provides all practical guides on cat registration, pet registration, adoption and cat care, helping you build a better relationship with your cat.*

**Which to choose?**

* **Option 1:** Best if you need to keep the tag description short and to the point (e.g., character count limitations).
* **Option 2:** A good balance of brevity and helpfulness, suitable for most situations.
* **Option 3:** More engaging and SEO-friendly, especially if you want to attract searches related to cat registration and adoption. This option is more conversational.

Remember to tailor the description to the specific content you’ll be tagging under “貓咪登記.” You can adjust the wording to better reflect the types of posts you’ll be creating. Good luck!