adjectif satellite
1 : not derived from or reducible to something else; basic; "a primary instinct"
2 : of or being the essential or basic part; "an elementary need for love and nurturing"; "a basal reader"
1 : coil forming the part of an electrical circuit such that changing current in it induces a current in a neighboring circuit; "current through the primary coil induces current in the secondary coil"
2 : one of the main flight feathers projecting along the outer edge of a bird's wing
1 : of first rank or importance or value; direct and immediate rather than secondary