This blog is called a "full-text search blog" rather than a "search engine blog." So, what is the difference between "full-text search (full-text search)" and "search engine (search engine)?" And what kind of relationship exists between them? Due to the rapid development of search engine companies like Google, the term "search engine (search engine)" has become deeply ingrained in people's minds, to the point that many equate Google and Baidu with search engines... Let's delve deeper into these two terms and related concepts.