What does this mean?

Alexas

I had my appointment earlier and the doctor checked my cervix. He said that I am thinned but not dilated any. What does this even mean? I thought that the two were hand in hand but now I’m just confused. I’ve had contractions for the past couple days and figured they were doing SOMETHING and I’d be at least dilated a little bit... I feel like this pregnancy is never ending 😭