The sequence of the steps 1) and 2) is arbitrary.
-> The element is removed in the Sketcher, but the associated feature [Feature] is retained in the Sketch history. A relationship line is created from the Delete [Delete element] feature element [Delete element] to the feature of the deleted element (see following illustration). You will only see this relationship line when you display the subordinate features.
Conditionally delete element [Delete element with condition]: Linking the Delete function with a condition [Condition].
As soon as further constructions are created on surfaces of the 3D model (e.g. using Create new sketch on marked surface [Generate sketch on selected face] or Surface attributes [Face attributes...]...), the basic feature is highlighted in blue in the sketch history [Sketch history].
Furthermore the base line is highlighted brown.
Features with dependent constructions cannot be deleted. The corresponding commands in the sketch history [Sketch history] (context menu command Delete step ), in the drawing (context menu command Delete step ) and in the toolbar ( Delete [Delete element] element and Delete element conditionally [Delete element with condition] ) are deactivated.