A signpost.
Anything that provides guidance; a guideline.
A sheet of paper or cardboard with a written or printed announcement on one side for display in a public place.
A kind of stomacher, often adorned with jewels, worn in the fifteenth century and later.
An extra plate on the lower part of the breastplate or backplate of armour.
The woodwork and frame of the door of a closet etc.
To announce with placards.
To affix a placard to.