Transform linkages

Move the blue point around. How is it related to the green point? How does moving the sliders and maroon points affect the behavior of each linkage?

Linkage #1

Linkage #2

Linkage #3

Linkage #4

Linkage #5

Thanks to Barcelona Math Museum https://twitter.com/mmaca_cat for the idea behind Linkage #4 and to Diego Lieban (https://www.geogebra.org/diegolieban) for Linkage #1.