short for
mental image picture, a mental
copy of one's
perceptions some
time in the
past; three-dimensional
color pictures with
sound and
smell and all other
perceptions, plus the conclusions or speculations of the
individual. For
example, if a person was in a car accident, he would retain "
pictures" of that
experience in his
mind,
complete with recordings of the sights, physical sensations, smells, sounds, etc., that occurred during that
incident.
—State of Man Congress Approved Gls (14.5.92)