This is the 4832nd most frequent Polish word.
oparta
"Based" or "supported."
Here, "oparta" describes the state of the story being founded or established on facts.
Opowieść oparta na faktach jest bardziej interesująca.
A story based on facts is more interesting.
In this example, "oparta" indicates that the strategy's development process relies on specific market analyses.
Nowa strategia biznesowa jest oparta na analizach rynkowych.
The new business strategy is based on market analyses.
"Oparta" here signifies that the theory's foundation or premise is derived from erroneous assumptions.