Exit

means—

1. (a) any, or any combination of the following if they provide egress to a road or open space :
   1. (i) An internal or external stairway.
   2. (ii) A ramp.
   3. (iii) A fire-isolated passageway .
   4. (iv) A doorway opening to a road or open space .
2. (b) A horizontal exit or a fire-isolated passageway leading to a horizontal exit .

<1> point of egress from a building leading occupants directly or indirectly to a street or an open space at ground level via an internal or external stair, a ramp, a fire-isolated passageway, or a doorway
See also: emergency exit
<2> means:

1. (a) any, or any combination of the following if they provide egress to a road or open space:
2. (b) A horizontal exit or a fire-isolated passageway leading to a horizontal exit