first you have to take the tire off the car along with all four of them then you take the wheels off and measure all around the car's tire
It usually can
The width of the contact patch of the tire on the road.
Can't be answered w/o knowing the width of the tire as well
The width of the road.
That is the tire profile or section width. The number is a metric figure standing for the width of the tire in millimeters.
265 on a tire is the width of the tire in mm
No, you have to buy a wider tire.
"Contact" width is the tread with of a tire, not to be confused with sidewall width.
Depends on the size tire and the aspect ration of that tire.
That is the aspect ratio , or ratio of width to height of the tire
Probably, yes. There are some recommendations on rim width vs tire width - I'll post a link. You have to scroll down a bit.
205 is the width of your tire the 65 is an aspect ratio that determines how tall the tire is compared to the width