Definitions:
a thing constituting a piece of evidence about the past, especially an account kept in writing or some other permanent form

the sum of the past achievements or performance of a person, organization, or thing

the best performance or most remarkable event of its kind

a thin plastic disc carrying recorded sound in grooves on each surface, for reproduction by a record player

set down in writing or some other permanent form for later reference

convert (sound or a performance) into a permanent form for subsequent reproduction or broadcast