Here are a few options for the description of a WordPress post tag titled “文本分析 (Wénběn Fēnxī – Text Analysis)” in Traditional Chinese, each with a slightly different focus:

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

> 探索文本數據的奧秘。此標籤涵蓋了文本分析技術，包括自然語言處理 (NLP)、關鍵詞提取、情感分析等，幫助你理解和駕馭大量的文本信息。

* (Explore the mysteries of text data. This tag covers text analysis techniques, including Natural Language Processing (NLP), keyword extraction, sentiment analysis, and more, helping you understand and navigate large amounts of textual information.)

**Option 2 (Focus on Practical Applications):**

> 深入了解文本分析，從資料收集到分析與應用。本文分析涵蓋從文本資料的抓取與清理、到各式分析模型，以及應用在市場研究、內容行銷、以及商業決策上的技巧。

* (Delve into text analysis, from data collection to analysis and application. This tag covers the sourcing and cleaning of text data, various analytical models, and techniques for application in market research, content marketing, and business decision-making.)

**Option 3 (More Technical):**

> 深入探討文本分析的核心技術與實踐。本標籤涵蓋自然語言處理、機器學習模型、文本挖礦等進階主題，適合對文本分析有一定基礎的讀者。

* (An in-depth look at the core technologies and practices of text analysis. This tag covers advanced topics such as Natural Language Processing, machine learning models, and text mining, suitable for readers with some foundational knowledge of text analysis.)

**Option 4 (SEO-Focused):**

> 關鍵字：文本分析、NLP、自然語言處理、情感分析、關鍵詞提取、數據分析、資料科學。 深入了解文本分析的不同應用，從市場調查、文章撰寫到商業決策。掌握文本分析的技巧，提升你的數據分析能力。

* (Keywords: Text Analysis, NLP, Natural Language Processing, Sentiment Analysis, Keyword Extraction, Data Analysis, Data Science. Learn more about the different applications of text analysis, from market research and article writing to business decision-making. Master the skills of text analysis and improve your data analysis capabilities.)

**Which option is best depends on these factors:**

* **Your target audience:** Are they beginners, experts, or somewhere in between?
* **The type of content you’ll be posting under this tag:** Is it general overviews, technical deep dives, or practical tutorials?
* **Your SEO goals:** Do you want to target specific keywords?

I recommend incorporating a version of the SEO-focused description (Option 4) to improve searchability. You can also adapt the tone of the description using parts of other options for added context and appeal. Remember to keep the description concise and clear – WordPress will show the tag description when people browse by tag.