enlarge upon

But opportunities to enlarge upon the tragedy, to infuse the musical with some flashes of real personality, are largely missed.

She cited a 1972 opinion in which the Delaware Supreme Court said that it was “beyond the power of the legislature, in our opinion, to either limit or enlarge upon the … absentee voter classifications specified in the constitution for general elections.”

“It is beyond the power of the legislature, in our opinion, to either limit or enlarge upon the … absentee voter classifications specified in the constitution for general elections,” the court wrote.

“It is beyond the power of the legislature, in our opinion, to either limit or enlarge upon the … absentee voter classifications specified in the constitution for general elections,” the court wrote.

Be helpful if you could enlarge upon your this a little?