There are 10 goals for lighting (Hixon, 2017): 

1. Establish a setting
2. Enhance or creating the mood of a scene
3. Direct the eye
4. Create the illusion of depth
5. Create the illusion of volume
6. Reveal the substance and qualities of materials
7. Maintain continuity
8. Integrate visual elements
9. Set a visual style
10. Create visual interest

(Golowczynski, 2018)

Arnold physical sky to light used to dusk and dawn atmospheres.

Balloon blowing in the wind.

Word count: 105 words 

References:

Golowczynski, M./Digital Camera World (2018) Cheat sheet: Pro portrait lighting setups. Available at: https://www.digitalcameraworld.com/tutorials/cheat-sheet-pro-portrait-lighting-setups (Accessed: 2nd February 2020)

Hixon, D./ECG Productions (2017) Why Light? Available at: https://www.ecgprod.com/why-light/ (Accessed: 8th March 2020)