Use in business or organizational environments to discuss policies allowing easy communication with higher-ups.

Professional Context

Often used metaphorically to express the availability or welcoming nature of an opportunity, not just a physical door.

Metaphorical Use

Doesn't necessarily mean that a physical door must be open, but that there is no barrier to access.

Highlights a welcoming atmosphere that's intended to be accommodating to all people.

Implies a place or organization does not discriminate and treats everyone equally.

Used to talk about significant opportunities that can change the course of a person's life or career.

Can denote the start of a new chapter or the readiness to take on new experiences.