What throws new learners of Arabic is not the number of letters — twenty-eight is manageable — but that the same letter looks different in every position. The bāʾ in باب is not the bāʾ in كتاب, nor the isolated ب. This is not an exception; it is how Arabic writing works.
The four forms
Arabic is always written joined. Because letters connect, each takes the shape its neighbours require:
| Position | Example with bāʾ |
|---|---|
| Isolated | ب |
| Initial | بـ |
| Medial | ـبـ |
| Final | ـب |
The body of the letter is constant — a dot under a small bowl. What changes is the connection on either side.
The rule that removes most of the confusion
Six letters never join to the letter after them:
They join backwards only. That is why some words look chopped into pieces while being a single word: دار appears as three separate shapes, and مدرسة breaks after the dāl.
Knowing those six resolves most reading hesitation: a gap inside a word is not a space between words.
What follows in practice
- Reading: do not read breaks as word boundaries. The space between words is wider.
- Handwriting: the word is drawn in one continuous stroke, dots added afterwards.
- Typing: nothing to do — the font selects the right form automatically.
- Kashida: calligraphic elongation only works after a forward-joining letter, which is why
دارcannot be stretched.
To practise
- Work through the full alphabet table with all four forms and a printable PDF.
- Try the kashida in the decoration tool and watch which letters accept it.