PR Stands for Permanent Resident. Canada PR is a status awarded to a person who is not a citizen of Canada but under PR they have the right to live and work in Canada without any time limitation. The ultimate goal for most of the immigrants is to get Canada PR. Canada is a huge country hence Canada pr process is also vast. It is basically divided in two categories:
Canada PR Express entry is a program introduced in 2015 and is designed by Canadian government to offer permanent residence to the aspiring candidates who are interested in becoming the permanent resident of Canada. It is the fastest way of getting Canada PR. This Canadian federal immigration program assesses your eligibility for permanent resident of Canada through various factors.
The Provincial Nominee Program (PNP) is the second leading way to immigrate to Canada as a skilled worker after Express Entry. Nearly every province and territory operates the PNP to welcome skilled workers from all over the world to help strengthen their economies. The only exceptions are the Northern Canada territory of Nunavut and Quebec.