What are the isolated form of Arabic letters used for?

Arabic is written with a "linked" alphabet. The letters of each word are connected together to shape words. This means that each Arabic letter has three shapes, one for the beginning, middle and end of the word.

Comments

언어 선생님 이신가요?

Are you a language teacher?

Flag fr Flag es Flag en 영어 Flag it Flag de Flag pt Flag ko 한국의