См. также: gap between the rich and poor, gap, gap between theory and practice, gap between supply and demand
The Battle of Sharon extended well behind the Ottoman front lines when the Desert Mounted Corps rode through a gap in the front line across the Plain of Sharon to occupy the Esdraelon Plain. (Wikipedia)
In the process of the battles for Tulkarm and Tabsor the 7th (Meerut) and 60th Divisions created a gap in the front line, for the Desert Mounted Corps to ride through. (Wikipedia)
