Why do we study freehand sketch?

Related questions

1. What is sketching in art?
2. How are sketches useful?
3. Is sketching an art?
4. Is a sketch a drawing?
5. Why is drawing hard?
6. Why do people sketch?
7. What is design sketch?
8. Can I learn drawing?
9. How do you draw a grid drawing?
10. Why is drawing so important?

Tags

1. #replicate
2. #expressive
3. #something
4. #which
5. #exploring
6. #sketching
7. #process
8. #computer
9. #example
10. #mechanics
11. #helps
12. #curves
13. #drawing
14. #capture
15. #naturally
16. #important
17. #ideas
18. #design