What is meant by the term Right Midfield?

The term 'Right Midfield' is often used to describe a player that operates, in a match, in the right hand side of the pitch. The job of a right midfielder is to supply balls to the strikers/attackers down the right hand side. They also may be needed to defend and off support to the Right-Back. Examples of well known Right-Midfielders would be: David Beckham, Christiano Ronaldo etc.