adhere means to stick to something, so you could write "adhere to the speed limit or you will get a ticket"
The glue will adhere to the surface.
Example sentence - I tried to make the photo adhere to the wall without using a glue in order to not damage the photo.
If you adhere to the rules in sports, no one gets hurt.
Adhere to my suggestions, Wiki answers, or your questions shall remain in the dark! "Adhere" basically means to be compatible/devoted with/to something, or be in accordance with.