Choose the default link decoration at the end of each link. Decorations can be used to visualize the direction of relationships, and To Decoration will be displayed near the target node, denoting the destination of the link. 

You can choose between three To decorations:

• None: No decoration will be displayed at the link destination.
• Arrow: The link will display an arrow that points towards the target node. Can be used together with “Arrow” From Decoration to visualize bidirectional relationships.
• Circle: The link will display a circle near the target node.