Its not a two way definition. Immigrants are people who migrate, travel too, our country. Illegal Aliens are still immigrants, but have not followed the route given by the law to enter our country. Immigrants, however, are not Illegal aliens since they are not in the country illegally. So both groups are immigrants, but one group is not here lawfully. Thought the ultimate goal of both are usually the same, to have a better life for their family by coming here.
Latino groups to Obama: You owe us
The president said that if he won re-election, he would owe it to Latinos -- and now they're looking for immigration reform.
Source: Yahoo! News - Latest News & Headlines