The Details section in a catalog record provides important information about the format of the printed music, specifically the Genre and Format sections.
Full score
shows all instruments/voices in a work of music.

Miniature score (or study or pocket score)
Shows all instruments/voices in a work of music, but produced in a small size. Call numbers start with "MM" and are shelved separately from the other scores in our collection.

Vocal score (or piano-vocal score)
for operas or other choral/orchestral works; provides the vocal parts and presents the instrumental parts in a piano reduction or accompaniment.

Score and parts (or just parts)
For chamber music (2 or more players/singers) the printed music may be a score, showing all parts together, and/or include separate parts, one for each performer and their voice/instrument.
Just the parts and no score:

Or, a quartet with score and parts included:

Piano reduction or arrangement
Usually for concertos, presents the soloist's part and and presents the orchestral parts in a piano reduction or accompaniment.

Arrangement
when a work is originally written for one instrument or instruments and is arranged for another instrument or instruments.
