The wearing of black clothing is often a 'symbol of' mourning in Western cultures.
The company's 'symbol' [='logo'] is a red umbrella.
“K” is the 'symbol for' a strikeout in baseball.
(..) She was the one that made me crash my car. Alessa. We don't say her name. That's the seal, isn't it, Anna? The symbol of your faith? Something terrible happened here. We have to leave. We have to leave! - The darkness is coming! - Let's go. (..)2006 Silent Hill