3. A sketch is a rapidly executed freehand drawing that is not usually intended as a finished work. Sketches can be made in any drawing medium. The term is most often applied to graphic work executed in a dry media such as silverpoint, graphite, pencil, charcoal or pastel A sculptor might model three-dimensional sketches in clay, plasticine or wax.

4. Jesus and the Adulteress. A sketched figure composition by Rembrandt van Rijn

5. Charcoal sketch of willows by Thomas Gainsborough

6. Sketch in pen and ink of an idea for a flying machine with a spiral rotor, Leonardo da Vinci.

7. Sketch of a head in a parade helmet, Michelangelo, c. 1500 Akhil Juneja

8. Figure sketch in ink of two women teaching a baby to walk, Carel Fabritius, c. 1640 Akhil Juneja

9. Sketch in pencil and ink of the Piazetta, Venice, Canaletto, c. 1730 Akhil Juneja

10. The Pasha, an ink sketch by Fragonard, late 1700s Akhil Juneja

12. Collage is a technique of an art production, primarily used in the visual arts, where the artwork is made from an assemblage of different forms, thus creating a new whole. A collage may sometimes include newspaper clippings, ribbons, bits of colored or handmade papers, portions of other artwork or texts, photographs and other found objects, glued to a piece of paper or canvas. The term collage derives from the French "collar" meaning "glue Akhil Juneja

13. Vikky Alexander Johannes Baader Johannes Theodor Baargeld Nick Bantock Hannelore Baron Romare Bearden Peter Blake Umberto Boccioni Rita Boley Bolaffio Henry Botkin Akhil Juneja  Mark Bradford  Georges Braque  Alberto Burri  Reginald Case  Jess Collins  Greg Colson  Felipe Jesus Consalvos  Joseph Cornell  Amadeo de Souza Cardoso  Eric Carle

14. Akhil Juneja Kurt Schwitters, Das Undbild, 1919, Staatsgalerie Stuttgart

15. Tom Wesselmann, Still Life #20, mixed media, collage, 1962, Albright-Knox Art Gallery Buffalo, New York

16. Hannah Höch, Cut with the Dada Kitchen Knife through the Last Weimar Beer-Belly Cultural Epoch in Germany, 1919, collage of pasted papers, 90x144 cm, Staatliche Museum, Berlin.

17. Akhil Juneja