Are Fitness features exists in HealthKit ?

Hi,

The fitness features such as distance moved, steps, calories burned is it in HealthKit or in a different kit ? couldn't find any API in HealthKit ?

Also for example how can Apple Watch distinguish that this amount of steps was walked and not moved by a slow car or a scoter for example ?

Kindest Regards

Are Fitness features exists in HealthKit ?
 
 
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