example of an established form
. aka "one-shot
". almost always physical objects, often custom-made, frequently seen as highly collectable or desirable due to their individuality. sometimes used to describe an event, such as a music concert.
Primarily used as an adjective, may also be used as a noun.
examples: concept car
s. custom jewelry
. especially when made by producers of high-quality mass-produced items such as furniture
sometimes used to refer to a recordable cd
, or "CD-R
used in the phrase "one-off billet
" to describe custom machine parts.