Why does the automatic transmission slip when hot or cold? Causes, symptoms

When an automatic transmission slips, it means that the engine is running, but the torque from it does not reach the car’s wheels, and some of the power is lost in the gearbox mechanism.
A classic sign that problems have begun with the gearbox is a noticeable delay between pressing the gas pedal and accelerating the car.
This is how the automatic transmission slips - you press the gas, the engine speed increases, but nothing happens. Through