Ever wondered what these abbreviations stand for?
Cry no more.
*CAMRip: A copy made in a cinema using a
camcorder or mobile phone. The
sound source is the camera
microphone. Cam rips can quickly
appear online after the first
preview or premiere of the film.The main disadvantage of this is the sound
quality. Those movies we buy that we see people standing up and down,they are CAMrip's

* PPVRip: PPVRips come from Pay-Per-View sources. All the PPVRip releasesi
are brand new movies which have
not yet been released to Screener
or DVD, but are available for
viewing by hotel customers.

* DVDRip: A final retail version of a film,
typically released before it is
available outside its originating
region.Those who download movies online must have seen this severally.

* DVBRip,HDTV,PDTV,TVRip,HDTVRip,HDRip: TVRip is a capture source from an analog capture card (coaxial/
composite/s-video connection). HDTV or PDTV or DTH ( Direct To Home) rips often come from Over-the-Air transmissions.

* WEBRip: This is a file ripped from a DRM- free streaming service, such as
Hulu, Crunchyroll or WWE Network.They are usually converted to MKV formats from mp4

* BDRip,BRRip,Blu-Ray / BluRay : Similar to DVD-Rip, only the source
is a Blu-ray Disc. A BD/BRRip in DVD-Rip size often looks better than a same-size DVD rip because encoders have better source material. Blu-ray source, while a BRRip is encoded from a pre-release.

source: wikipedia