[nl]

Are you really trying to argue over the definition of the term?

Indeed you can discard unstored data.

I write data pipelines for a living. We often use "discard" as a term for parts of data on which no further processing is performed and are not stored.

It's an extremely common usage of the term. See [1] for example.

[1] https://bash.cyberciti.biz/guide//dev/null_discards_unwanted...