MX Bikes supports 6 types of rear suspension geometry.
There are 3 main categories:
1) "Classic". The shock is linked to the chassis and swingarm directly.
Examples: Ducati Monster, KTM 450 EXC, vintage bikes.
2) Linkage suspension. There are two additional elements: rocker and rod.
Example:
(https://www.motorcycle.com/blog/wp-content/uploads/2017/12/120417-ask-mo-linkage-suspension-honda-pro-link-diagram.jpg)
The rocker is blue, the rod red.
2a) "Linkage Rocker Chassis". The shock is linked to the chassis and the rocker to the chassis.
Examples: Ducati Panigale V2, Kawasaki Uni-Trak (https://i.pinimg.com/originals/48/65/5f/48655f7bdadc3776dfdc023ac56d8665.jpg).
2b) "Linkage Rod Chassis". The shock is linked to the chassis and the rod to the chassis.
Example: Honda Pro-Link (https://canadamotoguide.com/images/stories/archives/CMG_test_rides/Honda_tech/03_UnitProLink/BigP/prolink_diagram.jpg), stock MSM bikes.
2c) "Linkage Rocker Swingarm". The shock is linked to the swingarm and the rocker to the chassis.
Examples: Ducati Desmosedici (http://www.fastdates.com/PLN.NewBikes/Ducati/2006DesmosediciRRStreet/D16RR20RearSuspCad.jpg), Suzuki Full Floater (https://thumpertalk.com/applications/core/interface/imageproxy/imageproxy.php?img=http://pulpmx.com/app/uploads/2014/12/csteel96_8.jpg&key=6ef82360707a08f5638dcc6822812e518728064a0aa92f6cfe77f4a8d323af74).
2d) "Linkage Rod Swingarm". The shock is linked to the swingarm and the rod to the chassis.
Example: Honda Unit Pro-Link (https://canadamotoguide.com/images/stories/archives/CMG_test_rides/Honda_tech/03_UnitProLink/BigP/prolink_diagram.jpg).
3) "Hardtail". There is no suspension and the rear wheel is connected directly to the chassis.
Example: speedway bike.