This is the 7763rd most frequent Turkish word.
kampanyayı
"Campaign" (in the accusative case).
The word 'kampanyayı' refers to the accusative form of 'kampanya', indicating that it is the direct object being evaluated.
Bu ay düzenlenen kampanyayı değerlendirmeliyiz.
We should evaluate the campaign organized this month.
In this sentence, 'kampanyayı' is used as the direct object of the verb, showing the campaign as the entity being supported.
Kampanyayı desteklemek için bir bağış yaptık.
We made a donation to support the campaign.
Here, 'kampanyayı' serves as the direct object of 'duyduk', indicating that the campaign is the thing that was heard about.