Complex sentence: A "sgabello" is an Italian term for a specific type of movable backstool typical of the Italian Renaissance, while an armchair with armrests usually signified a chair ("sedia") of more hieratic significance.
Split into simpler sentences: A "sgabello" is an Italian term for a specific type of movable backstool typical of the Italian Renaissance. An armchair with armrests usually signified a chair ("sedia") of more hieratic significance.