Those things sound well, but they are shadowy and indefinite, like troy weight and avoirdupois; nobody knows what they mean.

When you buy a pound of a drug and the man asks you which you want, troy or avoirdupois, it is best to say "Yes," and shift the subject.
They said that the wide space dates from the earliest sheep and cattle-raising days.

People had to drive their stock long distances -- immense journeys--from worn-out places to new ones where were water and fresh pasturage; and this wide space had to be left in grass and unfenced, or the stock would have starved to death in the transit.
On the way we saw the usual birds--the beautiful little green parrots, the magpie, and some others; and also the slender native bird of modest plumage and the eternally-forgettable name--the bird that is the smartest among birds, and can give a parrot 30 to 1 in the game and then talk him to death.

I cannot recall that bird's name.

I think it begins with M.
I wish it began with G.or something that a person can remember.
The magpie was out in great force, in the fields and on the fences.