[D_MuLa]

After you empty them from the recycling bin of course :) impossible to know??

[Two-Ton 21]

Your erased data is stored in a partition to be overwritten.

[Electrons]

After you empty them from the recycling bin of course :) impossible to know??

Take it like this;
The sytstem is designed such that,When you delete a file, that container in which it was previously allocated, is then empty and awaiting for another file, progran or tiniest data to assume that space.

[D_MuLa]

Your erased data is stored in a partition to be overwritten.

Being overwritten does make a lot more sense than the file just disappearing into thin air, thanks.