1. Drawing
1.1. Styles
1.1.1. gesture
1.1.2. contour
1.1.3. sustained (detailed)
1.1.4. continuous line
1.1.5. blind drawing
1.1.5.1. draw with your eyes closed
1.1.6. non-dominant hand
1.1.6.1. if you are right-handed, draw with your left hand (and vice versa)
1.1.7. line techniques
1.1.8. graphic (as in graphic design)
1.1.9. comic/illustration
1.1.10. positive/negative space
1.2. Tools
1.2.1. pencil
1.2.2. brush
1.2.3. marker
1.2.4. ink
1.2.4.1. pen
1.2.4.2. brush
1.2.5. paper cut-out
1.2.6. stencil
1.2.7. charcoal
1.2.8. pastel
1.2.8.1. oil
1.2.8.2. chalk
1.2.9. monoprint
2. Paint
2.1. Styles
2.2. Techniques
2.2.1. watercolour techniques
3. Collage
3.1. Materials
3.1.1. magazines
3.1.2. photos
3.1.3. maps
3.1.4. brochures
3.1.5. fabric
3.2. Digital
3.2.1. photoshop
4. Surface Treatment
4.1. recycled papers
4.1.1. maps
4.1.2. brochures
4.1.3. packaging
4.1.4. newspapers
4.2. discarded books
4.3. painted backgrounds
4.3.1. wash
4.3.2. splatter
4.4. coloured paper
4.5. collaged background
4.6. distressed look (make the page or image look old)
4.6.1. lightly sandpaper over an image
4.6.2. stain with coffee or tea
4.6.3. crumple up the paper, then smoothen out
5. Photography
5.1. image transfer
5.1.1. tape transfer
5.1.2. gel medium
5.2. creative cutting
5.3. collage
6. Lettering
6.1. Hand-drawn
6.2. Digital
6.3. Magazines/Newspapers
6.4. Stamps
7. Digital
7.1. photo editing app
7.2. photoshop
7.3. illustrator
7.4. phone apps
7.4.1. 31 Best Photo Apps