Korean for "Roman alphabet/writing/letters". There are several different romanization methods used in South Korea, making it somewhat to discern how to pronounce some Korean words without any knowledge of hangeul, the Korean alphabet. South Koreans spell their names similar to common English words so that English-speakers can pronounce their names more easily.
In romaja, my can be spelled as following, Kim Lee Sung or Kim Li Seong.
Korean barbeque, spelled kimchee or kimchi in romaja, is notoriously spicy.