
The green arrow in the example shows the direction of Arabic writing from right to left.

1- Alone: The letter is not connected to any other letter.
2- Initial: The letter is connected to the next letter on the left only.
3- Middle : The letter is connected to the next and previous letter.
4- End: The letter is connected to the previous letter on the right only.
Below is a table that illustrates the different shapes of the Arabic letters depending on the position of the Arabic letter in the word:
Sample of how to write Arabic Alphabet in different shapes
The 6 Arabic letters in green ا د ذ ر ز و have 2 shapes only because they cannot connect to the next letter on the left.
Here is an example that shows how the shape of the Arabic letters change when we write them in the Arabic word Peace
Sample of writing Arabic letters in separate and joint shapes
From the above sample, we can notice the differences when we write Arabic letters separately vs writing them together in a word.

The Diacritic Marks (Harakat Atashkiil) provides a phonetic guide to show the correct pronunciation and meaning of the word. They are always placed above or below the letter.
Below is an example of how to write an Arabic sentence with diacritics marks.
Sample of how to write Arabic sentence with diacritics
In the above example the Arabic Diacritic marks are written in blue, but it can be changed into any other colour or size independently from the Arabic letters.
The table below has a list of all Arabic Diacritics with examples of how to pronounce them when we write them on Arabic letters.
Samples of how to write Arabic diacritics

Sample of writing Arabic text
The above example demonstrates the fact that capital and small letters are not used in Arabic writing .

In English, we write the adjective after the subject that we want to describe, whereas in Arabic we write the adjective before the subject.
Below is an example of how to write Arabic Adjective