Heaviness and Lightness التفخيم و الترقيق
The definition of tafkheem: Fattening
Its applied definition
: It is a heaviness that enters the body of the letter, so that the mouth is filled with its
reverberation (echo).
The linguistic definition of tarqeeq : Thinness
Its applied definition:
It is a thinness that enters the body of the letter, so the mouth is not filled with its
reverberation (echo).
The Arabic letters are divided into three groups as to tafkheem and tarqeeq:
1. Letters that always have tafkheem. خ - ص - ض - غ - ط - ق - ظ
2. Letters that have tafkheem sometimes and tarqeeq other times.
b) The( ( لin the Glorious name ofالله .
c) The ( (ر
3. Letters that always have tarqeeq. This group consists of the rest of the Arabic alphabet.