The phrase "front window" refers to the large glass panel at the front of a building or vehicle that allows you to see what's happening outside. Full definition
The standard equipment list includes: air conditioning, stereo CD radio with steering wheel controls, electric front windows and central locking with radio remote control. (topspeed.com)
Its dashboard features large climate and stereo system controls that are well marked and also has power front windows that allow for one - touch up and down operation. (automotive.com)