The document defines and describes various art forms and creative mediums: - A pencil is used to draw marks, usually on paper. - Watercolor uses paint made of colorants suspended in water. - Cave paintings are drawings on cave walls and ceilings from prehistoric times. - Computer-aided design uses computer tools to assist design professionals. - Photography captures light on a light-sensitive medium like film or a sensor. - An animated cartoon is a hand-drawn or computer-generated film with a story or plot.