23. Moses and Aaron went into the tabernacle--Moses, according
to the divine instructions he had received, accompanied Aaron and his
sons to initiate them into their sacred duties. Their previous
occupations had detained them at the altar, and they now entered in
company into the sacred edifice to bear the blood of the offerings
within the sanctuary.
the glory of the Lord appeared unto all the people--perhaps in a
resplendent effulgence above the tabernacle as a fresh token of the
divine acceptance of that newly established seat of His worship.
JFB.
Picture Study Bible