Assertion: cd's data | /r/HasProperty | written to the disc
Facets:
Source sentences:
text: The polycarbonate disc contains a spiral groove, called the "pregroove" (because it is molded in before data are written to the disc), to guide the laser beam upon writing and reading information.
text: In this way, CD-R can emulate CD-RW; however, each time information on the disc is altered, more data has to be written to the disc.