Free-range chickens according to the USDA definition are allowed access to the outside. Ideally they are able to roam freely outdoors.
Free-range Chicken Farming(Episode 62)│Feeding hundreds chickens( Farm future breeders)Farm update!
Why choose free range pasture-raised chicken? - Farm2Fork
Free Range Eggs: They're NOT What You Think They Are
What is “Free-Range” Chicken? - JawboxJerky
Free Range or Pasture Raised? — Bramleigh
Free-range Chicken Farming ( Episode 59)│Harvesting hundreds of eggs & Feeding 800 native chickens
The Benefits of Organic, Free Range Chicken
What Does 'Free Range' Actually Mean? — Higher Oak Farm
Free Range Chicken - Wholesale Price & Mandi Rate for Free Range Chicken in India
What Are Free Range Eggs: Australian Free Range Egg Farming