How does your automatic or manual transmission work?
Your transmission is a complex mechanical system that controls the application of power from the engine to the driveshaft. Your transmission can have more issues with wear and tear than most of the other parts in your vehicle due to the heat and friction of the many moving parts and interactive components.
Your transmission is a mechanism for transmitting power from a vehicle's engine (or motor) to its wheels
The clutch is a mechanism for connecting and disconnecting a vehicle's engine from its transmission system.
If you suspect there are issues with your transmission it is best to get a certified mechanic to look at it immediately.