Easy to learn :)
The words are composed of syllable blocks. One start at left from the top, and end at the bottom on the righ.
I'll give an example: My name is Andreas. In hangul it becomes 안드레아스. ㅇ (no sound) ㅏa ㄴn ㄷd ㅡeu ㄹr ㅔe ㅇ (no sound) ㅏa ㅅs ㅡeu.
Just a short example.