* Literal: The fire alarm blared, forcing everyone to evacuate the building through the main corridor.
* Figurative: The government's new policy opened a corridor for increased trade between the two countries.
* Metaphorical: Her research opened up a new corridor of possibilities in the field of medicine.
* Idiomatic: He was walking down the corridor of power in his bid to become CEO.
Let me know if you'd like more examples or if you have a specific situation in mind!