ceiling: overhead interior surface that covers the upper limit of a room

festoon: decoration of a wreath or garland hanging from two points

garland: decorative wreath or cord, used at festive occasions

seashell: hard, protective outer layer created by an animal

monster: type of fictional creature

acanthus: ornamental motif based on a characteristic Mediterranean plant with jagged leaves, Acanthus spinosus

rosette: round, stylized flower design

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