bulletin
The word announcement is a noun that means a formal written or printed invitation, the act of announcing, a brief item or advertisement (such as in a newspaper) or a public statement.
The five letter word for a brief advertisement is blurb.
note, memo, line
Ads: An advertisement; Paid or public announcement in the print, broadcast, or electronic media, designed to attract the public's attention Blurb: A paragraph promoting product; A brief publicity notice; A promotional description
tryst
gig
Brief.
under wordweb on the 2nd deffinition of savvy as an adjective, it can also be sharp or shrewd
'Announce' is the root of the word.
chop i suppose
secs
Holiday or getaway.