Sajo jirugi
Saju makgi
Chon-Ji
Dan-Gun
Do-San
Won-Hyo
Yul-Gok
Joong-Gun
Toi-Gye
Hwa-Rang
Choong-Moo

Saju makgi

Saju makgi (four-directional blocking) is not a pattern, but a set of choreographed moves learned by the beginner Taekwon-Do student.

See video below (from ITFTuls channel on YouTube).