There were also three classes of meal service. See Yoma 75a:<br>
<br>Three verses are written [Num. xv. 9]: "When the dew fell upon the
camp in the night the manna fell upon it"; and [Ex. xvi. 4]: "The
people shall go out, and gather"; and [Num. xi. 8]: "The people went
about, and gathered it." How shall the three verses be reconciled? This
is meant: For the upright [tzaddikim], the manna came down at the door of their
tents; for the general [beinonim] , they went out and found it; the wicked [resha`im] had to
seek it, till they found it. In Exodus it is written, "bread from heaven "; and [Num. xi. 4],
"made cakes of it "; and [ibid.] "ground it." How shall these be
reconciled? For the righteous, there was bread ready; as for the
general, they made cakes of the flour; and the wicked had to grind it<br><br>(quoting from the online translation at <a href="http://www.sacred-texts.com/jud/t03/yom13.htm">http://www.sacred-texts.com/jud/t03/yom13.htm</a>
to save time. Not intended as a blanket endorsement or recommendation of that translation)<br>