Glossary

  Axis:  An axis is an imaginary reference line that serves to define a symmetry Base Plane:   A base plane is a spatial field defined simply by a horizontal plane or figure placed on a contrasting background. Perceptible colour contrast, texture or tonal change between a surrounding area and a surface can define this spatial field Circle:   A flat geometric surface contained within a circle with defined area. It is the portion of the plane limited by a circumference. In other words, it is the bounded region of the plane Colonnade:   Colonnade, row of columns generally supporting an entablature (row of horizontal moldings), used either as an independent feature (e.g., a covered walkway) or as part of a building (e.g., a porch or portico). ... Ruins of the colonnade of the forum at the ancient city of Gerasa, modern Jarash, Jordan Columns:   It is an elongated vertical support that allows the weight of a structure to be supported. As an element of the archit...