What does a wind turbine mean?

Wind turbine is an electrical device that converts wind energy into mechanical work, drives the rotor to rotate, and finally outputs alternating current (as shown in figure 1).

Windmill is a kind of wind wheel with auspicious symbol. Because it is driven by the wind, people are used to calling it a windmill (as shown in Figure 2).

Wind turbine is the deformation of windmill, which has the concept of windmill.