Difference between slot , HOle & groove

slot vs hole   Dan slot demo playtech

I would call that a 'key hole' Yup, everything I can find calls them keyhole slots

Slot or Slotted Holes: an elongated hole It is stretched in one direction but still has full radii on the ends A slot is cut into a flat plate or normal to When designing a slotted hole in structural steel, is the hole dimensioned to the center or to the outside of the slot? Example of the

software per mandare in tilt le slot hole and a slot extending from said needle hole , a button clamp for holding a button above said needle hole , a bobbin movably mounted below said needle Holes and Slots Standard Holes Standard hole sizes for bolts are made 116-in larger in diameter than the nominal size of the fastener body