unison register of a harpsichord is usually designated as 1 × 8'; an octave higher (the four foot) as 1 × 4'. A three-register
harpsichord with two unisons and an octave would be designated 2 × 8', 1 × 4'.
[Arts] 
n., The action taken after the appraisal of non-current documents. This may include transfer to a records center or archive
depository for temporary or permanent storage, reproduction on microfilm, or destruction. [Computer and Information Sciences] 
n., The act of transferring something to anothe