Visas and green cards are essential for individuals seeking to live and work in the United States. There are various types of visas, including non-immigrant visas for temporary stays and immigrant visas for those seeking permanent residency. The process for obtaining a green card typically involves sponsorship by a family member or employer, and understanding the eligibility requirements and application procedures is crucial for success. Consulting with an immigration attorney can help navigate the complexities of visa and green card applications.