Toolbar

This allows you to create and delete entities, attributes and relationships.

Here is an example of what it looks like:

New Entity

This creates a new entity in the centre of the grid canvas.

New Attribute

This creates a new attribute for the selected entity.

New Relationship

This creates a new relationship with the selected entity as the parent and another entity as the child.

Delete

This deletes the currently selected entity, attribute or relationship.

Related reference

Entities tab
Grid canvas