Inguinal ligament anatomy

The inguinal ligament is a connective tissue structure of the pelvis, separating and linking the torso and the abdomen. We come across it a lot when looking at the anatomy in this area, but what is it? How does it relate to the inguinal canal, the femoral canal (and sheath), and femoral triangle?
Music:
Bliss by Gregory David
https://www.epidemicsound.com/track/t7hpFmSyWb/

Видео Inguinal ligament anatomy канала Sam Webster