Afaict from your query and screen snapshot, you are not doing anything programmatically yourself using the Revit API, just using the standard Revit user interface. In that case, unfortunately, this is not the best place to ask such a question. Please note that this discussion forum is dedicated to programming Revit using the Revit API. You will probably get more optimal answers to a question like yours relating to product setup, optimisation, usage, best practices and other end-user support issues in one of the non-API Revit product support discussion forums instead: