Scents can be tough to describe in words, which makes them perfect for mood boards.
For Haus Interior’s candle collection, the boutique interior design firm wanted a way to describe smells to online shoppers beyond mere words. So the company hired photographer Sully Sullivan to produce a collection of scent mood boards. Carefully curated, cleanly arranged objects fill in the emotions and contexts of a smell that words might miss.
Read more at http://www.fastcodesign.com/3041018/great-idea-mood-boards-for-smells/5
This article nicely resonates with a recent paper on the use of moodboards in perfumery:
Endrissat, N., Islam, G., & Noppeney, C. (2016). Visual organizing: Balancing coordination and creative freedom via mood boards. Journal of Business Research, 69(7), 2353–2362. https://doi.org/10.1016/j.jbusres.2015.10.004