Brake Master cylinder help please!!!!!

ok my internet connection so very slow so after a hour of google-fu no decent pictures, hahaha

so my description,

imagine if you would that your stud in front of your car looking in the engine bay.

the brake master cylinder is on your right it has two plugs on it,

one to the rear on the right,

one to the left at the front.

what do they do?

and what is the front one called?? (had a slight accident lowering my engine in damaging it, so i need to replace it,)

can get picture if needed,

look forward to your response

adam

Brake light pressure switches.

as above,they turn the rear brake lights on  :wink:
Bert