What does nfl mean in football?
NFL is an American football abbreviation. "NFL" stands for
"National Football League". National because the league is played
across the nation; Football because the game played is referred to
as "football" (It is known as "football" in America. Many countries
refer to it a "soccer".); League because this national game is
played with multiple teams in many places at different times, etc.
(unapproved definition of "league").