Expensive: gold 61%, silver 15%, black 10%, …
Heller (1989)

EdenRed is a French company that supplies consumer vouchers to companies.. Edenred is the inventor of Ticket Restaurant, created in 1962. The reference to the garden of Eden (paradise), the connection with good food, consumption, the crimson red, all fit under the same code of red-6 (code brown-on-green, level-64). Which contains related words such as: consume, greedy, gourmandise, delight, for free, paradise. The spherical shape is a primary shape that is classified under code primary red (level-8). Which is a construction of dimensional words such as: round, convex, rich.
The photo shows an advertising campaign “You can have your lunch here” in the central station of Antwerp (Belgium).
(Inez Michiels, DSD 2021)

Lakoff and Johnson (1999) saw that there are many proverbs and sayings that have to do with form characteristics and emotions. Thick: rich, important, thin: poor, unimportant.

Lakoff and Johnson (1999) saw that there are many proverbs and sayings that have to do with form characteristics and emotions. Large: important, complex, not always better, difficult, rich, distinguished. Small: simple, fine, less important, unobtrusive, poor, submissive, modest.

Lakoff and Johnson (1999) saw that there are many proverbs and sayings that have to do with form characteristics and emotions. Upwards / rising / increasing: becoming important, conceited, richer, making things positive. Downwards / falling / getting smaller: worsen, giving up, no chance, despondent, making things negative, poorer.