For other uses of this term, see Front (military term). Map of Geneva and its surroundings in 1841, including several colossal fortifications and numerous bastions along the front of the fortified polygon. "Plan of the Plaça and castle of Badajos, capital of Extremadura and border with Portugal" of J. Gabriel de Mercier, in 1775, corresponding to the enclosure abaluartado of Badajoz.

In the paths of defensive works, a front is the set of these corresponding to each side of the fortified polygon.

By the way of being flanked each one of them receives the denominations of front braided, gripped or polygonal.

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