All the letters have some combination of isolated, initial, medial, and final forms.
For jīm ج / جـ / ـجـ / ـج https://en.wiktionary.org/wiki/%D8%AC#Letter
I've been using my menu button at the upper right of the computer screen to increase the image size from 100% to about 170%. Just click on "zoom" in the menu that opens up to increase the screen image size. Some of the arabic letters are hard to tell apart, especially "d" and "dh".
Weird that it has to be translated to george when in the beginning you learn that the last letter represents ii or y... To be correct we just have to listen and write it kn english instead of really translating the letters we just learned. It makes it complicated a specially without any explanation how this even is possible.