Explain workout versus routine

[fulldecent]

You are able to create "workout plans" and "routines".

"Routines" live inside "workout plans".

But if you want to start a workout, you can only start it by selecting a routine (or using "Start workout"). Not the routine inside while editing the workout template, but the routine listed on the workouts page.

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I think this accurately explains what is going on. If it is then perhaps routine should be renamed "workout plan" and "workout plan" should be renamed "folders".

But either way, a little notes or documentation in the app could help with the discoverability of this feature.