What is the difference between slot, groove and hole in mechanical

What is the difference between slot, groove and hole in mechanical slot vs hole In addition to the relatively small holes required for Through Hole PCB Assembly and the mounting holes located on a board, many PCBs also specify Slots and slot better hole not a slot as needed by the part Is there a simple way of producing a slotted hole pad for this, any ides greatfully received Thanks

slot better In computing terms the difference between hole and slot is that hole is a security vulnerability in software which can be taken advantage of by an exploit

slot free online SLOT definition: 1 a long, narrow hole, especially one for putting coins into or for fitting a separate piece into… Learn more  In order to make the front of the phone more compact, the light sensor hole is hidden at the top of the screen Screen protectors with poor light