This is the 2160th most frequent Russian word.
важна
"Important" (feminine form).
Here, "важна" is used as a predicate adjective describing the subject "Она." It indicates the significance of the subject in relation to something.
Она важна для успеха.
She is important for success.
In this sentence, "важна" is used to describe the critical significance of "Эта работа" (this work) to the team, serving as an attributive description.
Эта работа важна для нашей команды.
This work is important for our team.
Here "важна" appears in the repeated adjectival form aligned with the subject "вовлечение," stressing its importance multiple times for emphasis in the sentence.