# Dependent or independent sources of voltage and current

I am confused with this term of dependent and independent . What exactly this mean .does dependent sources mean that if we connect a dependent source of voltage and current in same circuit ,they will interfere with each other value. But how can this happen? Is there any example of such kind of sources ? And does they follow ohms law?

A dependent voltage or current source is one that provides an output that's a scaled version of an input. The drain of a FET is an example of an approximation to a voltage dependent current source, the output being $g_m$ times the gate voltage.