Assertion: fiber optic cable's core | /r/CapableOf | provide the path
Facets:
value: for light propagation
type: PURPOSE
value: for the light pulses
type: TRANSITIVE-OBJECT
Source sentences:
text: Each one has a core, which provides the path for the light pulses used to transmit data.
text: The core, made of glass or plastic, provides the path for light propagation.