Is that wltp woc in a die-cut ps, or what?
There are a number of terms used to describe items, most of which are obvious but some are a little more obscure. Just in case there is any confusion, the conventions I use are listed below.
CD5 - a 5" CD, the standard size for CD albums and singles
CD3 - a 3" CD single, usually packed in a 3" x 3" sleeve. Japan CD3s usually in 3" x 6" sleeves.
ps - picture sleeve
pic disc - picture disc (the record has a picture on it)
shaped pic disc - the pic disc is also cut into a particular shape
inner - an inner sleeve
die-cut sleeve - a sleeve with a hole cut in the middle exposing the labels on the disc
7" - a 7" vinyl single, usually in a ps
10" - a 10" vinyl single, ususlly in a ps
12" - a 12" vinyl single, usually in a ps
maxi-single - a 12" vinyl single, with the same tracks as the 7" equivalent
digi-pack - a plastic and card sleeve for a CD, with a folding cover
promo - item for promotional use only, not officially released
EP - extended play single
AA-sided - the single has either the same track(s) on both sides, or else both sides are regarded as the "A" side and there is no conventional "B" side (e.g. the "Fat Bottomed Girls" / "Bicylce Race" single)
mono/stereo - the record has the same track both sides, but one side is recorded in mono, the other in stereo
w/l or wltp - white label test press (basically a promo)
woc - without original centre (i.e. there's a big hole in the middle of the record)