Here are a few options for a WordPress post_tag description for “動力” (Power, Energy, Drive) in Traditional Chinese, ranging in formality and focus:

**Option 1: Simple & General (Focus on Meaning)**

* **Description:** 指推動事物運行的力量，包括能源、動力、驅動力。 (Refers to the force that drives things, including energy, power, and motive force.)

**Option 2: More Descriptive (Focus on Application)**

* **Description:** 探討各種力量來源，從機械動力到人類的內在驅力，包括能源技術、動態系統、以及創意與行動的動力。 (Explores various sources of power, from mechanical force to human inner drive, including energy technologies, dynamic systems, and the driving force behind creativity and action.)

**Option 3: Emphasizing the Action (Focus on Result)**

* **Description:** 關於推動進展、產生作用、產生變化的力量。涵蓋可見的物理動力，以及隱藏在目標和意志背後的內在動力。 (About the force that propels progress, produces action, and creates change. Encompasses tangible physical power as well as the internal drive behind goals and willpower.)

**Option 4: Concise & SEO-Friendly**

* **Description:** 動力、能量、力量。探索各種動力主題，包括技術、個人發展和社會進程。(Power, energy, force. Explore various power-related topics, including technology, personal development, and social progress.)

**Tips for Choosing & Customizing:**

* **Target Audience:** Consider who will be reading your blog. Are they technical enthusiasts, general readers, or something else?
* **Post Content:** Does the post primarily focus on technical aspects of power generation, or is it more about personal motivation?
* **SEO:** Include relevant keywords. The options above naturally include keywords like “能源” (energy), “力量” (force), “驅動力” (motive force). You could add more specific keywords related to your post if applicable.
* **Length:** WordPress allows a good amount of space for descriptions. Choose the length that best suits your post.
* **Consistency:** Use a similar style and tone for all your post_tag descriptions.
* **Add a category to your tag:** adding a related category to your tag can help in post organization.

No matter which option you choose, make sure it’s clear, concise, and accurately reflects the content of your post. Choose the option that best fits the theme of your site and the specific details of your blog post. Remember to replace the placeholder description within the post tag settings in your WordPress backend.