What is the meaning of l-486 who immigrated to America?

Application for Adjustment of Identity Form I-485[ Green Card Application Form]

Close relatives of American citizens and permanent residents, including spouses, minor children and parents, do not have to wait for the schedule, fill out the form, complete the formalities and documents, and come to the United States after the immigration review is completed. This is generally called super priority. Proof documents include citizen or permanent resident certificate, notarized marriage certificate, and I-485 form, indicating that immigrants have not violated the ban on immigration to the United States, such as committing non-political criminal offences.