Flat, vertical projection in the outer wall. Lesenes originally had a constructional significance, occurring in a places exposed to the forces of distraction, that is in the axes, in which on the inside of the room there are arches from the vaults.The layout of the lesenes and the rhythm of the room division on the bays usually is the same.Lesenes are characteristic of romanesque architecture.
lesenes at the Mausoleum of Galla Placidia, 5th century, Ravenna, Italy, photo Wikimedia Commons
lesenes in the Lombard layout on the chapel of Saint Pierre de Limet, 12th century, Belgium, photo Wikimedia Commons
romanesque lesenes at the church Santa Maria del Regno, 11th/12th century, Italy, photo Wikimedia Commons
lesenes at the romanesque church in Gáň, 12th/13th century, Slovakia, photo: L.Repta, Wikimedia Commons