Most, if not all, traditional martial arts have formalized patterns, be it kata in karate, tul in taekwondo, or you name it.
Patterns are in essence crystallized containers of both attacking and defensive techniques. While some martial arts practitioners may find patterns boring, they are actually very exciting.
The only thing is that patterns need to be “unpacked” to understand their real meaning and applicability.
A good example is given by Michael Jai White in the video below. While this is just a movie, the illustation is quite vivid.