"Approval"

What it usually means: The action of officially agreeing to something or accepting something as satisfactory.

What it means to Ad/PR people: Something you will probably never get from the client the first time around.

"Briefs"

What it usually means: A type of underwear worn by males.

What it means to Ad/PR people: A lifeline document that creatives try to ignore until account badgers them to follow it.

What it usually means: Something you update on Facebook.

What it means to Ad/PR people: An hour-long meeting that no one pays attention to until they have to speak.

What it usually means: The floor of a ship or the outdoor floor of a building made out of wood.

What it means to Ad/PR people: Industry lingo for "Powerpoint," which signifies the perpetual decline of your life.