Fluxes
Fluxes describe movements of something between elements. They can also be used to represent some types of relations.
▸ 1 step flux, many to many
Source: Greenpeace
Download
To show flows and their source, destination and ammount. It can be used, for example, to describe customer / supplier relationships, corruption networks or political parties funding.
▸ 2 step flux, many to many
Source: Greenpeace
Download
This is a two step sankey chart, with two steps and custom colors.
▸ Funnel
Source: Greenpeace
Download
Often used in marketing and sales.