The phrase "a signboard" is correct and usable in written English.
It can be used to refer to a board or placard that displays information, directions, or advertisements, typically found in public places.
Example: "The restaurant had a large signboard outside, advertising their daily specials."
Alternatives: "a notice board" or "a display board".
Next to the kitchen is a signboard with cryptic handlettered slogans: Fugazi.
Is Paul a troubled child or a signboard for interfaith doctrine?
After the family moved to Edo (now Tokyo) in 1687, Torii became a signboard painter for the Kabuki theatre.
He used municipal funds to run Armenian-language courses and erected a signboard in Armenian welcoming visitors.
Later it was adapted for industrial use; a signboard on the tower proclaimed: "Narrowmore & Tozer, Manufacturers of all screwed products".
The electronically created letter that lives out its brief life while moving across the face of a signboard or a cathode-ray tube is not a typographic item.
The facade has 6 verticle rows of windows topped by arches on the 11th floor; the high arches in the 2 center rows contain Hebrew symbols--a signboard version of the tablets of the Ten Commandments.
Seven people were injured in Nanjo from a fallen signboard, while an elderly woman in Nago City and a young girl in Yaese suffered wind-related injuries.
Even the best hotel in town, Yali Otel, is an unassuming off-white building without a prominent signboard or even a reception desk.
The public display of verses or sayings has been a cultural fixture here since ancient times, when emperors and monks would commemorate their visit to a place by carving characters on a convenient rock or by setting up a stele -- basically a stone signboard.
At one such institution, the Markaz-e-Islami seminary near Peshawar, a visitor stopped recently to read a painted signboard inscribed with 140 names of Pakistanis who have died as "holy warriors" in Afghanistan and Kashmir since 1993.
