What does advertisement mean?
The definition of advertisement
Ad*ver”tise*ment, n.
Etym: [F.avertisement, formerly also spelled advertissement, a warning, giving notice, fr. avertir.]

1 The act of informing or notifying; notification. [Archaic] An advertisement of danger. Bp. Burnet.
2 Admonition; advice; warning. [Obs.] Therefore give me no counsel: My griefs cry louder than advertisement. Shak.
3 A public notice, especially a paid notice in some public print; anything that advertises; as, a newspaper containing many advertisement.