When I try to jump my car it just clicks?

When I try to jump my car it just clicks? A single loud click when starting (even after trying to jump-start your battery) is usually caused by a faulty starter motor, starter relay/solenoid or other electrical problem.

A single loud click when starting (even after trying to jump-start your battery) is usually caused by a faulty starter motor, starter relay/solenoid or other electrical problem.