The term 'LIGHT BLOW' can be broken down into three crossword solutions: TAP (3 letters), PAT (3 letters), and RAP (3 letters). TAP is a light, quick strike with a finger or hand, usually on a surface. PAT is a light, gentle touch or stroke, often with the flat of the hand. RAP is a sharp, quick blow, usually with the knuckles. All three words refer to a light blow, but each has a slightly different connotation.