fix
n//ˈfɪks//fix, pejl, fästa, fixa, ordna, åtgärda
An understanding, grasp of something.
(aviation) A non-waypoint terrain feature used to make a determination of location.
(intransitive) To become firm, so as to resist volatilization; to cease to flow or be fluid; to congeal; to become hard and malleable, as a metallic substance.