Does anyone tell me the main parts of CNC Milling Machine?

Hello

thank you for entering in my post

I'm wrting an essay about machine tools industry and their products

May you explain me please the main part of CNC Milling Machine?
Like spindle, table, machine guards, cotrol pannel, tool magazine ect..
and may you suggest me some manufaturies made by a CNC Machine that we use everyday, a part of cars, motobikes...

any additional information will be very appreciated

thank you in advance for your help