Query parameters are strings attached to the end of actual url. it can be a query typed in the search bar or the utm parameters attached.
If you see query parameters with the urls in the reporting, you may not be getting the accurate data. You will see separate reports for both which should be reported as one.
By default Google Analytics removes the UTM parameters from page reports. To remove any other parameter attached to the url navigate to admin > view settings > Exclude URL Query Parameters
For entering multiple parameters separate by using a comma. The setting is case sensitive with a limit of 2048 characters.