Manual/Editing/Context Menu

Context menus are activated with a right click on a node or edge.

Node Context Menu

The context menu for nodes

Snap to Grid: If the grid is enabled, snaps the node to the grid.
Remove: Removes the node.
Properties...: Shows a dialog with the node style settings for the selected node.
Reset custom style: Sets the node to follow the knot style.

The context menu for edges

Snap to Grid: If the grid is enabled, snaps the vertices to the grid.
Remove: Removes the edge.
Edge Type: Selects the edge type.
Break on intersections: Breaks the current edge and intersecting edges so that there is a node for each intersection.
Subdivide...: Breaks the edge in equal parts.