Letterbox
Definition 1 of 2

Contextual Use
In casual conversation, it's common to just say 'mailbox' instead of 'letterbox.'

Make sure to check your letterbox regularly for important mail.
Visual Media
In film, 'letterbox' can refer to a specific aspect ratio used to create a cinematic effect.

Many movies are presented in a letterbox format to enhance visual storytelling.
Cultural Norms
In many cultures, having a decorative letterbox can be a way to express personal style.

Some people choose letterboxes that match the aesthetics of their homes.
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