Englishfor English speakers
navigation
Noun
—
Navigation is the process or activity of accurately the position and planning and following a route.
tool
Noun
—
A tool is an object that you use to do a specific job, such as a hammer.
I used to fix my own car, but I sold all my tools.
—
A tool is a person being used by another person or organization.
He is such a tool. He should think for himself, instead of doing everything they tell him to do.