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1. What do keywords generally refer to?
Keywords include actual words (verbs, nouns, adjectives, adverbs, etc.), function words (conjunctions, prepositions, particles, particles, etc.), idioms, idioms, and place names.
1、 Real words (verbs, nouns, adjectives, adverbs, etc.): These words play the role of actual meaning in a sentence and can exist independently to express a complete meaning. For example: happy, learning, beautiful, slowly, etc.
2、 Function words (conjunctions, prepositions, particles, particles, etc.): Although these words have no actual meaning in a sentence, they play a crucial role in sentence structure and grammatical function. For example: and, because, of, ah, etc.
3、 Idioms: Idioms are fixed phrases composed of four Chinese characters, usually containing rich cultural connotations. Idioms have a special status in Chinese, as they can accurately express certain emotions, viewpoints, or describe certain things. For example, taking the lead, finishing the finishing touch, and enduring hardships.
4、 Proverbs: Proverbs are short yet rich and intelligent proverbs that have been practiced and passed down among the people for a long time. They usually contain profound philosophy that can help us better understand life and social phenomena. For example, the rise and fall of the world is the responsibility of every individual, not to be pleased by things, not to be sad by oneself, etc.
5、 Names and place names: Names and place names often appear in literary works, which can help us quickly locate the story background and character relationships. For example, Li Bai, Changan, Yellow River, etc. Keyword usage:
1. Theme words: Refers to the words in the text th

2、 Central words: Refers to the most central words in a text that can reflect the main idea and viewpoint of the article, such as love, equality, human rights, etc.
3、 Key words: Refers to the most descriptive and explanatory words in the text that can help readers understand the content and meaning of the article, such as war, environmental pollution, human civilization, etc.
4、 Noun phrases: Refers to phrases composed of nouns that can accurately express the theme and content of an article, such as educational reform, technological innovation, cultural inheritance, etc.
5、 Verbal phrases: Refers to phrases composed of verbs that can express the actions and behaviors of an article, such as exploring unknown territories, promoting social progress, protecting the ecological environment, etc.
2. What are keywords
The meaning of keywords is: words entered by users in search engines to express their personal needs.
. The word keywords comes from the English word keywords. The keywords can be Chinese, English, numbers, or a mixture of Chinese and English numbers. Keywords can be single words, two, three, four, or even a sentence. By entering multiple keywords for search, you can obtain more accurate and plump search results. In Internet search, keywords play a vital role. It is the basis for search engines to determine webpage content and relevance, and is the main goal of search engine optimization (SEO). By optimizing keywords, the websites ranking in search engines can be improved, thereby attracting more visitors. In addition, keywords also have important applications in fields such as library scienc
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