old documents / (in palaeography) historical documents written to convey a specific intention between a sender and receiver; generally inclusive of written material through the mid-19th century

paleography

to note; to write down

(collective) people, each person, everybody

think / meditate / consider / expect / reflect / prepare / make up one's mind / imagine / contrive

important, significant

importance, consequence, significance

bone marrow

bone marrow / the pith of a plant / (figuratively) the pith or essence of something, such as a skill or cultural thing

(archaic, possibly obsolete) the center of something / (archaic, possibly obsolete) something straight / (archaic, possibly obsolete) an exact direction, an immediate area