"Flier" Natural Recordings by Native Speakers
A flier is a lightweight, usually hand-held, printed or written advertisement that is intended to be distributed to a large audience quickly and easily.
Flicker: to shine or glow with a intermittent or unsteady light; to emit a series of brief flashes.
Flickering refers to something that is unstable or variable in its light, brightness, or movement, often in a rapid or irregular way. It can describe a flame that is moving back and forth, a candlelight that is swaying, or a screen that is displaying an image that jumps or wavers. The word can also be used figuratively to describe a situation or emotion that is unstable or fluctuating. For example, "The flickering flame on the candle represented the protagonist's uncertain emotions throughout the story."