Here are a few options for the WordPress post_tag description, each with a slightly different focus, along with their reasons:

**Option 1: Concise and General**

* **Description:** 關於社會上人人平等的概念、權利和原則。（Concerning the concepts, rights, and principles of equality for all in society.）

* **Reasoning:** This provides a clear and straightforward definition of the tag, suitable for a broad audience and encompassing various aspects of equality.

**Option 2: Emphasizing Social Justice**

* **Description:** 探討平等在社會正義上的重要性，以及如何實現社會各個層面的公平。（Exploring the importance of equality in social justice and how to achieve fairness at all levels of society.）

* **Reasoning:** This version emphasizes the connection between equality and social justice, useful if your blog focuses on issues of justice and equity.

**Option 3: Focusing on Diverse Aspects**

* **Description:** 包括性別平等、種族平等、機會平等、法律平等，以及更多與平等相關的議題。（Including gender equality, racial equality, equality of opportunity, equality before the law, and more related issues of equality.）

* **Reasoning:** This provides a more specific list of areas where equality is addressed, giving more context for readers.

**Option 4: Action-Oriented (If Applicable)**

* **Description:** 提倡和宣揚平等，努力實現一個更公平、更共融的世界。(Promoting and advocating for equality, striving for a fairer and more inclusive world.)

* **Reasoning:** If the tag is for posts about activism or promoting change, this description motivates readers to action.

**To Choose the Best Option:**

Consider the following:

* **Your Blog’s Focus:** What kind of content do you write?
* **Your Target Audience:** Who are you trying to reach?
* **The Specific Posts:** What topics are covered under this tag?

**How to Add the Description in WordPress:**

1. **Go to Posts > Tags** in your WordPress dashboard.
2. **Find the “平等” tag** and click “Edit.”
3. **Look for the “Description” field.** (If you don’t see it, check your screen options at the top right of the screen, and make sure the ‘Description’ box is checked).
4. **Enter the description** you’ve chosen.
5. **Click “Update.”**

Each option in Traditional Chinese is provided with an equivalent English translation to help you pick what suits your needs best. Good luck!