Here are a few options for a description for the WordPress post_tag “網路交易” (Wǎng lù jiāoyì – Internet Transaction) in Traditional Chinese, ranging from simple to more detailed:

**Option 1: Simple & Direct**

> 數位交易、線上購物等相關內容。
>
> (Shùwèi jiāoyì, xiànshàng gòuwù děng xiāngguān nèiróng.)
>
> *Translation: Content related to digital transactions, online shopping, etc.*

**Option 2: Slightly More Descriptive**

> 涵蓋了所有透過網際網路進行的買賣、付款、以及相關的服務和資訊。
>
> (Hángài le suǒyǒu tōngguò wǎngjì wǎngluò jìn xíng de mǎimài, fùkuǎn, yǐjí xiāngguān de fúwù hé zīxùn.)
>
> *Translation: Covers all buying and selling, payments, and related services and information conducted over the Internet.*

**Option 3: Explaining the Scope**

> 標示與網路交易相關的文章，包括線上商店、電子錢包、數位貨幣、安全支付、以及最新的交易趨勢和政策等。
>
> (Biāoshì yǔ wǎng lù jiāoyì xiāngguān de wénzhāng, bāokuò xiànshàng shāngdiàn, diànzǐ qiánbāo, shùwèi huòbì, ānquán zhīfù, yǐjí zuìxīn de jiāoyì qūshì hé zhèngcè děng.)
>
> *Translation: Labels articles related to Internet transactions, including online stores, e-wallets, digital currency, secure payments, and the latest transaction trends and policies, etc.*

**Option 4: Focusing on Consumer Perspective**

> 提供關於網路購物、線上交易安全、消費者權益、以及如何避免詐騙等方面的資訊。
>
> (Tígōng guānyú wǎng lù gòuwù, xiànshàng jiāoyì ānquán, xiāofèizhě quányì, yǐjí rúhé bìmiǎn zhàpiàn děng fāngmiàn de zīxùn.)
>
> *Translation: Provides information on online shopping, online transaction security, consumer rights, and how to avoid scams, etc.*

**Which Option to Choose:**

* **Choose Option 1** if you have limited space or need a quick, general overview.
* **Choose Option 2** if you want slightly more context but still keep it brief.
* **Choose Option 3** if you want to clearly define the types of content associated with this tag.
* **Choose Option 4** if your blog focuses heavily on consumer-side information.

Remember to choose the option that best reflects the *content* of your blog and what users are likely to be looking for when they click on this tag. You can also adjust these options to fit your specific needs. For example, you can add the phrase “持續更新” (chíxù gēngxīn – continuously updated) to any of the descriptions if the tagged content is being actively maintained. Finally, if you are using a specific WordPress SEO plugin, it might offer a character/word count limit for tag descriptions, so keep that in mind when selecting an option.