https://forum.plantuml.net/10218/linetype-ortho-swaps-arrow-cardinalities
"linetype ortho" swaps arrow cardinalities - PlantUML Q&A
On this diagram note that the cardinalities "0..inf" are shown close to Position and the crowfeet ( ... is source (start) and head is target (end)
linetypeorthoswapsarrowplantuml