nouns
a daily written record of (usually personal) experiences and observations
a periodical dedicated to a particular subject
"he reads the medical journals"
is a type of (narrower)
a publication that appears at fixed intervals
a ledger in which transactions have been recorded as they occurred
a record book as a physical object
is a type of (narrower)
physical objects consisting of a number of pages bound together
"he used a large book as a doorstop"
the part of the axle contained by a bearing
is a type of (narrower)
a shaft on which a wheel rotates