Three Things I know to be TRUE (and introduction about me)

Hi, my name is Sang jun. I'm Korean, but i'm living in Indonesia. I can speak Korea, my first language, but I also can speak English, Spanish, and Mandarin (Chinese language).
I'm going to post almost everything about Computer, so if you have some problems on your computer, I could help you (not serious problem).

1. '3'
2. 'Green view'
3. '124'

So, there are 3 words up above. They're all related to me. Please recommend if you know what're they related to.