What does it actually mean when we say 'fifth-generation' fighter?

When it comes to fighter jets, the modern world is currently amid a transition. The combat-proven fighters we've grown to know and love over the years are

World's Top Military Powers All Facing Issues With Fifth-Gen Fighters

Should India Still Buy Fourth Generation Rafale Fighters To Take On China's Fifth Gen Chengdu J-20? - Quora

Should India Still Buy Fourth Generation Rafale Fighters To Take On China's Fifth Gen Chengdu J-20? - Quora

A.I. Brings the Robot Wingman to Aerial Combat - The New York Times

What does it actually mean when we say 'fifth-generation' fighter?

What Is A Fifth-Generation Fighter In Top Gun?

What makes a 5th gen fighter plane so superior to 4/4.5th gen? Why

Sixth-Generation Fighter Programs - Grey Dynamics

Tom Cruise starrer Top Gun: Maverick: All the 6 fighter jets shown

Which fighter jet has a better radar, Chengdu J-20 or Dassault Rafale? - Quora