gd&t slot dimensioning

gd&t slot dimensioning   Dan gd&t slot

But note that features are always things that we can touch So the hole is a feature The axis of the hole is not a feature Likewise a slot is

016″ at MMC on a slot The tolerance is referenced to datum feature A at RMB, which is the width of the part  or if not, what is a better way to make the callout? Should I lay a center mark on the curved slot center, give it a radius dimension,

rtp harum slot How do you go about dimensioning slots in drawings? In SW I would create the dimensions, edit the radius one to add SLOT at the begining and I would like to know if there is a way to dimension a slot in a drawing By dimension I mean something like 9x20, which is a dimension