The document discusses various methods for obtaining lawful permanent residence in the United States through marriage to a U.S. citizen or green card holder. It outlines the immediate family and family preference immigration categories and several processes for obtaining a green card including the K-3 visa for marriage to a U.S. citizen abroad, the K-1 fiancé visa, filing an I-130 petition with consular processing abroad, and concurrently filing I-130 and adjustment of status applications within the United States. Key requirements and processing steps are provided for each method.