abbreviation

ois:インサート付
dh:ドリル穴, cc:コーナーカット, soc: シールが貼られてる(表socf裏socbなど),
sd: シールの剥し跡あり(ジャケが破れてる), woc: 書き込み,

dh: Drill hole
cc: Corner cut
soc: Sticker on cover (socf for front, socb for back, etc.)
sd: Sticker residue (damaged jacket)
woc: Writing on cover

Please note that these terms are commonly used in the context of describing vinyl record sleeve.