This is the 14157th most frequent Russian word.
определило
"Determined" or "defined."
In this sentence, "определило" is used to mean "determined" or "set," indicating that the event played a deciding role in defining the direction of actions.
Это событие определило направление наших действий.
This event determined the course of our actions.
Here, "определило" means "defined," suggesting that her actions shaped other people's perception of her character.
Её поведение определило её характер в глазах окружающих.
Her behavior defined her character in the eyes of others.
In this case, "определило" is used as "identified," showing the program has established or discerned the suitable algorithm.