What does «depender» mean in Spanish?

To be under one's dependence. Needing the protection of another person or thing.

Examples of use in Spanish: "El niño depende de sus padres desde que nace".

"Ese país depende de sus exportaciones petroleras".
To be of consequence, to be determined by something or someone to exist or be given.

Examples of use in Spanish: "mi decisión depende de la tuya".

"La velocidad del crecimiento de la planta va a depender del aporte de nutrientes y la cantidad de sol".

"Tu futuro depende de tus propias decisiones".
To be subject to circumstances or to be subordinated to the command of someone, of an institution or of a government.

Examples of use in Spanish: "De ahora en adelante su cargo pasó a depender directamente de ese ministerio".

"Nosotros dependíamos de las órdenes del oficial".

"No puedo tomar esas decisiones, dependo de mis superiores".

"Los ministros dependen directamente del presidente de la nación".
A grammatical element is governed or subordinated by another, being its complement or qualifier.
(eso depende o depende) An expression indicating that something will happen or occur under certain conditions.