Sesame - Botany. 1  Sesame is an annual plant growing 50 to 100 cm (1.6 to 3.3 ft) tall, with opposite leaves 4 to 14 cm (1.6 to 5.5 in) long with an entire margin; they are broad lanceolate, to 5 cm (2 in) broad, at the base of the plant, narrowing to just 1 cm (0.4 in) broad on the flowering stem.
Canvas is an extremely durable plain-woven fabric used for making sails, tents, marquees, backpacks, and other items for which sturdiness is required. It is also popularly used by artists as a painting surface, typically stretched across a wooden frame.
Other Art Definitions. A blank canvas can refer to artistic supplies other than canvas that have not yet been filled with art. For example, a piece of paper could be considered a blank canvas for a writer or poet and a roll of photographic film is a blank canvas for a photographer.