Technical training usually refers to training for Patterns or Poomse, either for competition or grading.
British Taekwondo has recorded a series of patterns videos available here which includes explanations for all the patterns. You’ll also be able to see different people demonstrating the patterns.
Alternatively, you can watch some videos of Lindsey below!
Pattern 1 – Taeguk il jang
Pattern 2 – Taeguk ee jang
Pattern 3 – Taeguk sam jang
Pattern 4 – Taeguk sah jang
Pattern 5 – Taeguk oh jang
Pattern 6 – Taeguk yuk jang
Pattern 7 – Taeguk chil jang
Pattern 8 – Taeguk pal jang