The original Permanent Resident Alien Cards were green, and conversationally, the term "Green Card" still means Permanent Resident Status. Now they do have small green stripes on them. See related link.
A green card is an identification card which gives you the permission to live and work in the United States permanently (with a few exceptions, for example, if you commit a crime).
There are several different ways. You usually begin by getting a visa by the USCIS in the USA or at a USA embassy or consulate in your home country. The fastest way to obtain a Permanent Resident...
Unless the BCIS, in their review of a green card application determines that an individual is inadmissable then most individuals are eligible for a green card. Certain things that will fall into this...