The way imagination works is similar in all people. It is still much the same as it was in the days when caveman first began to paint. Only the things we imagine and the way we put them into pictures have changed. These changes are what the story of painting is about.
Janson, H W & Janson, D J 1977, The Story of painting: from cave painting to modern times, Harry N. Abrams, New York.
Painting (art) the creation of a work of aesthetic import by skilled application of paint to a surface or ground.
Mayer, R 1993, Collins dictionary of art terms & techniques, Collins, Glasgow.
Referencing advice: The TASC and your teachers at St Patrick's College expect you to present your work with citations and a reference list in the Harvard (author/date) format. Go to the Library's Referencing Guidelines for extended help in this area. The Library staff are always happy to help you with any queries you may have in regard to referencing requirements for any research you are undertaking.
If you are lucky enough to visit the Museum of Old and New Art in Hobart there are additional guidelines you will be required to use when referencing material from their O-device. Please ask at the Library or your teacher for help.