A walking pace or step.
A dais, or elevated platform; the highest step of the altar; a landing in a staircase.
Forward motion, or its rate.
The interval of time or distance between the fronts of two vehicles (e.g. buses) moving in succession in the same direction, especially along the same pre-determined route.
Movement ahead or forward.
A cross-heading.
The clearance beneath an object, such as an arch, ceiling or bridge; headroom.
Progress toward a goal.