R-Motion (TGC) vs. Trackman Spin Rate Definition

[Stlcardinals08]

Hello All,
In TGC, you get a backspin rate and side spin rate. How do these numbers compare to the "Spin Rate" shown on Trackman? Is Trackman spin rate comparable to the backspin number? Or the backspin number plus the side spin?

See Trackman stats belwo

https://blog.trackmangolf.com/trackman-average-tour-stats/

Thank you!

Nick