1995 Cadillac Seville STRANDED, CAR WONT START

Engine Performance problem
1995 Cadillac Seville V8 Front Wheel Drive

i turned off my car, and now it wont start.....i get all dash and outside lights to work, but when i turn the key, nothing not even a sound.... what can it be???????????? can someone please help this stranded , cold, LADY...................


THANKS,