num. numbered
ltd. limited
ed. edition
p/s picture sleeve
std. standard
s/s stock sleeve
s/l slimline
j/b jewel box
promo promotional
c/n catalog number
g/f gatefold
p/d picture disc
b/i back insert
p/b paperboard
w/s widescreen

Album: full album release, in one or more of the formats below:
LP 12″ vinyl long-player (33 1/3 RPM)
CD Compact (digital) disc (std. j/b unless otherwise indicated)
CT (Mini-) Cassette tape
8T 8-track tape (obsolete)
RT Reel-to-reel tape
DC Digital Compact Cassette tape
MD MiniDisc (digital magneto-optical)
CR CD-R (CD Recordable or Read-Write)
SA Super Audio Compact Disc (SACD)
DA DVD Audio
DR DVD-R (DVD Recordable or Read-Write)
DD Digital Download (see Other Formats below)
XRCD eXtended Resolution Compact Disc
20bit K2
HDCD High Definition Compatible Digital
SHM-CD Super High Material CD
GOLD Gold Compact Disc

Single: single or EP release, in one or more of the formats below:
7″ 45 RPM vinyl
10″ 45 RPM vinyl
12″ 45 RPM vinyl
C3 CD-3, 3″ (8 cm) CD single
C5 5″ (12 cm) CD single (s/l j/b unless otherwise indicated)
CS (Mini-) Cassette single (p/b p/s unless otherwise indicated)
EP Extended play single or mini-album (vinyl, usually 33 1/3 RPM)
F7 7″ flexi-disc, flexible vinyl single (usually one-sided)

Video: video release, in one or more of the formats below:
VHS VHS-format video tape
Beta Beta-format video tape
BRD Blu-ray Disc
UMD Universal Media Disc (Sony PlayStation Portable)
HVD High-Definition Versatile Disc (HD DVD)
DVD Digital Versatile (Video) Disc (including DVD-ROM)
VCD Video CD, popular in Asia (MPEG1)
CLV Video disc in Constant Linear Velocity format (8″ or 12″)
CAV Video disc in Constant Angular Velocity format (8″ or 12″)
LDS Laser Disc single (Japan)
VHD Video High Density, obsolete laser disc format (Japan)
NTSC Video format for U.S.A. and Japan
PAL Video format for the E.C. (except France), Scandinavia, Australia
SECAM Video format for France

Other Formats:
ROM CD-ROM, computer-readable disc
MP3 Layer 3 MPEG encoded audio
WMA Windows Media Audio
Pub A publication: a book, songbook, pamphlet, magazine, etc.

Definitions:
Q1/Q2/Q3/Q4 Calendar quarters: Winter, Spring, Summer, Fall.
Radio Show A release specially recorded for radio airplay.
Interview An interview transcription disc.
Collection A collection of tracks by this artist, usually previously released on various albums and singles.
Compilation A compilation of tracks by various artists.
Soundtrack Soundtrack to a film or play released in Album format.
Box Set Box set of previously released and/or unreleased material.
Songbook Book of words and music.
Bootleg Unauthorized release of previously unreleased material consisting of concert recordings, studio outtakes, and radio or television broadcasts.
Pirate Unauthorized release of previously released material without attempting to make the album look like an original.
Counterfeit Unauthorized copy of an officially released album.

Country codes are InterNIC domain names, except for the following:
AA Australasia
AS Asia
BX BeNeLux
EU Europe (EC/EEC)
SC Scandinavia
SO South America
WG West Germany (prior to August 1990)
WW Worldwide