In ARCHICAD 19 and newer, with the new Tab Bar feature, double-clicking on different views/layouts opens new tabs. If you would like them to open in a single tab go to Options>Work Environment>More Options
If you wish to label the ID or other properties of Doors and Windows in an elevation in ArchiCAD 19 there is a new method. First of all make sure that the label placement method is set to Associated, see article below Associated vs Independent Labels (ARCHICAD 19) Then go to the Label tool in
If you are using the Cadimage Door tool and wish to edit the position of a Sliding door, or pocket door opening direction arrow just go to Settings>Display Options>Plan View> Arrow Styles.