alluvial diagram in a sentence

1. Alluvial diagrams can also be used to illustrate patterns of flow on a fixed network over time.
2. In an alluvial diagram, blocks represent clusters of nodes, and stream fields between the blocks represent changes in the composition of these clusters over time.
3. The " Users Flow " feature of Google Analytics uses alluvial diagrams to graphically represent how visitors move among the nodes ( individual pages ) on a web sites.
4. It's difficult to find alluvial diagram in a sentence.