You have opened a model
You have various editing options. Some examples:
You can use a dot grid or the special grid mode as an aid to modeling.
You can insert new objects, connections, free-form texts, graphic objects, etc., and edit existing ones.
You can use fragments to easily place recurring model constructs.
You can create occurrences of objects,
You can use definition copies as a basis for new objects.
You can format model attributes.
You can change the model properties.
You can present the model in navigation mode.
You can also view models containing objects that are not allowed by your filter. Objects that are not allowed are represented as an outline only.