wall: vertical structure, usually solid, that defines and sometimes protects an area

volute: spiral scroll-like ornament that forms the basis of the Ionic order

leaf: main organ of photosynthesis and transpiration in higher plants, usually consisting of a flat green blade attached to the stem directly or by a stalk

coat of arms: heraldic design on a shield, surcoat or tabard

flower: sexual reproductive structure found on flowering plants

cross: geometrical figure

arch: vertical curved structure that spans a space and may or may not support a load