This is the 4826th most frequent Russian word.
извне
From outside; externally.
Here, "извне" is used as an adverb to indicate that the influence originates from an external source.
Влияние извне способно изменить ход событий.
Influence from outside can change the course of events.
In this sentence, "извне" is again used as an adverb denoting a perspective or origin external to the referred subject matter.
Она всегда смотрит на проблемы извне, чтобы понять ситуацию лучше.
She always looks at problems from the outside to better understand the situation.
"Извне" functions as an adverb describing the source of information as external.