grain

Those nutrients and that grain flow together and gets mixed in the actual mill and out comes fortified flour.

So take that with a grain of salt.

And so what this is saying is as this dune expands, new grains of sand are appearing, and each one of them is a quantum of space.

I mean, the idea is, you know, you look at a sand dune and it looks smooth and continuous, but you can see individual grains of sand, right?