Here’s a description for the WordPress post tag “比例” in Traditional Chinese, suitable for use within your WordPress environment:

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

> 比例: Tags related to the concept of “proportion,” “ratio,” or “percentage.” Use this tag for content discussing numerical relationships, comparative sizes, or relative quantities, especially where it relates to business, mathematics, or general knowledge. (比例: 關於「比例」、「比率」、「百分比」等概念的標籤。用於討論數字關係、相對大小或相對數量之內容，特別是與商業、數學或一般知識相關的。)

**Option 2 (Slightly More Descriptive):**

> 比例: This tag categorizes content focusing on proportions, ratios, scales, and their applications. From understanding business statistics to interpreting data, this tag is used for articles, tutorials, and discussions centered around comparing quantities and understanding relative sizes. (比例: 此標籤分類重點在比例、比率、規模及其應用。從理解商業統計數據到解讀數據，此標籤用於圍繞比較數量和理解相對大小的文章、教程和討論。)

**Option 3 (Keywords focused – good for SEO):**

> 比例: Explore articles on proportion, ratio, percentage, comparison, measurement, scaling, fractions, percentages and their application in various fields like finance, business, mathematics, and design. This tag covers content exploring the significance of ratio in everyday contexts and technical analysis. (比例：探索關於比例、比率、百分比、比較、測量、放大縮小、分數、百分比及其在金融、商業、數學和設計等各個領域中的應用的文章。 此標籤涵蓋探索比率在日常環境和技術分析中的重要性的內容。)

**Considerations when choosing a description:**

* **Target Audience:** Who are you writing for? Are they beginners or experts? This will affect the level of detail.
* **Content Alignment:** Does it accurately reflect the types of posts you’ll be tagging?

**How to add the description in WordPress:**

1. Go to **Posts > Tags** in your WordPress admin dashboard.
2. Find the tag “比例” (or create it if it doesn’t exist).
3. Edit the tag.
4. Look for a field labeled “Description” (sometimes it’s just “Tag Description”).
5. Paste your chosen description into the “Description” field.
6. Click “Update” (or “Save”).
* You might need to enable the tag description field if you don’t see it by clicking the “Screen Options” at the top of the page and making sure the Tags description box is checked.

These descriptions should help your audience understand the scope of content associated with the “比例” tag and improved SEO potential. Choose the one that best fits your site’s style and the focus of your content.