What does it mean when a wide receiver is only a slot

Josh McCown the slot receiver? Yes, it really happened 15 years ago today (via NFL

Wes Welker Ultimate Slot Receiver Career Highlights! NFL Throwback Football Fundamentals

football super spins slot For the past 15 years, Welker has been the archetype for slot receivers in the NFL Every coach I talked with while reporting this story

football frenzy slot Now the Z on the other hand is off the line scrimmage and usually on the same side of the formation as the Yslot receiver andor TE(who is also