This is the 15605th most frequent Turkish word.
taşıdıklarını
"Taşıdıklarını" means "the things that they carry" or "what they carry."
Here, 'taşıdıklarını' is used as the object clause of the verb 'söyledi' (said), illustrating its usage to indicate reported speech about an action of carrying.
Onlar eşyalarını yeni eve taşıdıklarını söyledi.
They said that they carried their belongings to the new house.
In this sentence, 'taşıdıklarını' functions to describe the ongoing reported action of carrying something (trash, in this case) mentioned as an observation.
İnsanların su kaynaklarına saygı göstermediklerini ve çöplerini oraya taşıdıklarını fark ettik.
We realized that people did not show respect to water sources and carried their trash there.
Here, 'taşıdıklarını' is used to convey the action of carrying as part of the shared knowledge of the subject 'everyone.'