Question about hole callout on slot : rSolidWorks

Creating a slotted hole or slotted counterbore in SolidWorks isn't too difficult a task You can use the slot sketch tool to quickly create the

slot in the part must accommodate another part One of the great advantages dimensioning This is the ASME preferred method; the maximum and

slot machinecom I am no gd&t expert, but this is how i interpret that callout The parallel tolerance is tighter than symmetry This controls the width of the

slot dazzle me I am trying to grasp the concept of the round slot position callout As per ASME 94 GD&T standard ,