The easiest is a convex grind,can be done with hand tools.It is just a curved surface,ending at the edge.Next is a flat grind.You can rough grind it on a sander,and finish it with files and stones.Hollow grinding takes a bit more equipment and skill.Distal taper is the taper in thickness from the ricasso to the point.All grinds usually have some degree of distal taper.Many new makers just put a point on a piece of steel ,and angle the sides to an edge.While this is,indeed,a knife,it is not a well designed blade.