What does it mean when cadences are elided?

a. the melodic lines are sung by three singers.
b. a single syllable of text is sung to many notes.
c. the notes run against the regular pulse of the musical meter, with accents on beats other than "1" and "3."
d. a new line of text and music begins before the previous one has come to a complete stop.

photography had emerged as an elite art pursued by a few creative individuals for a few wealthy patrons. but now, said bauldelaire, it was succumbing to "the great industrial madness of our times." it was becoming a mass production industry that catered to middle-class tastes, including a taste for gadgetry. the stereoscope, the first 3d imaging system, had turned looking at photographs into parlor entertainment. a "thousand hungry eyes were bending over the peepholes of the stereoscope as though they were the attic-windows of the infinite.