I know this question might seem stupid, but since i'm a total beginner i need to start somewhere.
After i created new lifelines in a sequence diagram i saw i can only move them left-right but not up-down too. What do i need to in order to unlock the movement on Y axis too?
Restricted looks like :
How i'd want it :
Just to be clear, second image is edited, didn't manage to do that in astah.
Product: Astah Community