Keywords are the words and phrases that people type into internet browsers to find what they're looking for. For example, if you were going to buy a new jacket from an online source, you might type something like “mens leather jacket” into Google.
https://ahrefs.com/blog/what-are-keywords
The choice of words and their arrangement together can change the results of your search.
Typing in "jacket leather mens" might result in getting different information.