Pulse Points refer to the folds in the crook of your elbow and back of knees, behind the ears, ankles, wrists, neck and Cleavage where blood vessels are closest to the skin giving of f heat and acting like mini fragrance scent diffusers.
These are the points where a perfume/fragrance user should put on or spray their perfume.
The Glossary of Fashion covers everything you need to know about the world of fashion