This is the 4434th most frequent Russian word.
внешнем
"Внешнем" means "external" or "outer" in English.
Here, 'внешнем' is used to describe 'world' signifying the external or outside world.
Он работает в внешнем мире.
He works in the external world.
In this sentence, 'внешнем' modifies 'market,' indicating it is external, often referring to international or outside trade.
На внешнем рынке появились новые продукты.
New products have appeared on the external market.
Here, 'внешнем' describes 'appearance,' relating to the external or outer look.