Here are a few description options for the WordPress tag “年收入” (Yearly Income) in Traditional Chinese, ranging in formality and detail, along with the rationale behind each:

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

* **Description:** 每年賺取的收入總額。 （Měi nián zhuànqǔ de shōurù zǒng’é. – The total income earned each year.)
* **Rationale:** Clear, direct, and easily understood by a wide audience. Uses common vocabulary.

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

* **Description:** 指個人或家庭在一年內所獲得的薪資、利潤、投資收入等所有收入的總和。 (Zhǐ gèrén huò jiātíng zài yī nián nèi suǒ huòdé de xīnzī, lìrùn, tóuzī shōurù děng suǒyǒu shōurù de zǒnghé. – Refers to the total of all income, including salaries, profits, investment income, etc., received by an individual or a family within a year.)
* **Rationale:** Explains what “年收入” encompasses, providing context and making the tag more useful in filtering content. Suitable for a blog that discusses income in detail.

**Option 3 (Focus on Statistics & Analysis):**

* **Description:** 關於年收入的數據、趨勢分析及相關資訊。 (Guānyú nián shōurù de shùjù, qūshì fēnxī jí xiāngguān zīxùn. – Data, trend analysis, and related information about annual income.)
* **Rationale:** Highlights the type of content the tag relates to, useful for a blog that focuses on statistics, economic analysis, or financial reporting.

**Option 4 (Conversational & Broad):**

* **Description:** 了解你的年收入，以及理財規劃、投資策略等相關話題。 (Liǎojiě nǐ de nián shōurù, yǐjí lǐcái guīhuà, tóuzī cèlüè děng xiāngguān huàtí. – Learn about your yearly income, and related topics such as financial planning and investment strategies.)
* **Rationale:** Invites engagement, and broadens the scope allowing the inclusion of multiple related types of content.

**How to choose the best option:**

* **Target Audience:** Who are you writing for? Choose a description that they can easily understand.
* **Blog Content:** What types of posts use this tag? The description should accurately reflect the content.
* **Blog Style:** Is your tone formal or informal? Match the description to your brand voice.

**In most cases, Option 1 or Option 2 is a good starting point.** You can always adjust or expand upon the description as your blog content evolves. Remember to enter the description in the “Tag Description” field within the WordPress tag editor.