What's the proper name for a flat head screwdriver and why?

Straight Screwdriver - straight slot screwdriver Tilta BS-T10 Straight Screwdriver Slotted Screwdriver Tool Price: ₱ Specification: Drive straight slot A screwdriver is a tool, manual or powered, used for turning screws Screwdriver A slotted or flat-head screwdriver Other names, Turnscrew

migliore slot wroughton 5 Metal Precision Screwdriver Set for Mobile Repairing With Set of 2 ESD Non-Magnetic Tweezers- Straight & Curved Precision Screwdriver Set 699