Complex sentence: These quattrocento balustrades are likely to be following yet-unidentified Gothic precedents; they form balustrades of colonnettes A "colonnette" is a miniature column, used decoratively.
Split into simpler sentences: These quattrocento balustrades are likely to be following yet-unidentified Gothic precedents. They form balustrades of colonnettes A "colonnette" is a miniature column, used decoratively.