Select a feature and the feature details menu will appear.
To show any of the details click on the eye icon, this will pin the annotations to features in your plan.
You can add, edit or delete data if the detail has 3 vertical dots next to it.
You can also add new attributes, import attributes, copy a url link and view coordinates.
Any of the added annotations will be displayed on printed output. Please note that the position of these annotations on the plan cannot be moved.
Please see additional guide How to add text to a plan.