‘Navigation , derived ________ the Latin words “navis” (meaning “ship”) and “agere” (meaning “to drive”) is the process of accurately determining the position and controlling of a craft or vehicle _________ a desired course. This is accomplished ______ finding the navigator’s position compared ________ known locations or patterns (…)’. (MarineLink.com – Maritime
Reporter and MarineNews magazines online)

The blanks of this excerpt can be adequately filled by: