Define Full Spectrum, Please.

Does it mean that is is good for both Veging and Flowering stages?Or no?

And also if anyone knows if this is a good price.
I just noticed it said Hyrdoponics does that matter?cause i'm not growing hydro.

Bright Wing 105W 6500K 5500 Lumens CFL Grow Light - Plantlighting Hydroponics

Thanks.