Is there a short and casual way (one or two words or the like) to express that whereas something is truly important, the exact timing of when it gets handled or completes does not greatly affect overall plans?
not urgent isn't useful because that implies everything else is urgent which would really be a distortion and lead to a digression into strange discourse. It also implies we only do what's urgent which would be a rather grim way of describing a mode of operation unless you're in emergency mode all of the time.
Maybe something like
postponable but I'm not sure this is a very proper or accessible word, it's also tilting towards a negative connotation. In mathematical style the answer may have been something like
not time-sensitive or something like that, but that only resonates with about 0.2 percent of literate human beings or less...
The meaning I am after is something positive that also conveys
'this will be great and awaited but time is not a factor relative to other things'. Only much more concisely if possible....