It is important to mention keyw-ords as : To find every source that might be related to your topic
Hence, option B is correct.
- The words and phrases that users enter into as keywords help them find the information they're looking for. For instance, you may enter " jack-et" into Goo-gle if you want to purchase a new jacket. That phrase is still a keyword even though it contains many words.
- All keyw-ords can be grouped into four basic types of intent when determining a user's motivations for conducting a search: commercial, transactional, informational, and navigational.
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