A said that X and Y are essential to Q.
If I want to refer to X and Y as Z only from now on, how do I use henceforth? Is this grammatically and structurally correct?
A said that X and Y (henceforth I will refer to X and Y as Z) are essential on Q.
Doctor Snoop said that food and water (henceforth I will refer to food and water as nutrition) are essential to survival.
Is there a shorter/better way of using henceforth in this context?