Types of stretch

There are these types of stretch:

• A)    Al-Asli, The Original
• B)    Al-Madd al-Far'i, The Subordinate Stretch
            (a)   Al-Muttasil, The Connected
            (b)   Al-Munfaṣil, The Detached
• II Al-Lāzim, The Requisite
           1   Harafī Mukhaffaf, One Letter Dissimilated
           2   Harafī Muthaqqal, One Letter Assimilated
           1   Kalimī Mukhaffaf, One Word Dissimilated
           2   Kalimī Muthaqqal, One Word Assimilated
• III Al-Badal, The Substitute
           AI-’Ārid lis Sukūn Ghayr al-Mahmūz, The Accidental Stop Without Glottal Stop
           AI-’Ārid Iis Sukūn al-Mahmūz, The Accidental Stop With Glottal Stop
• IV  Al-Līn, The Gentle
• Al-Ṣilah al-Ṣughrā. The Minor Connection
• Al-Ṣilah al-Kubrā, The Major Connection