Welcome to the Dataiku Community. We are glad you can join us.
I think what you are describing are the Tooltips that appear in Data Science Studion (DSS).
Image Showing: Showing a Dataiku Tool Tip in a DSS Project.
To make the tooltips go away. Select the help menu in the upper right. It is marked with a ? in a circle. Change to Tooltip option to OFF.Image Showing: Selection of the Help menu marked with a question mark in the upper right side of the screen. And changing tooltips from ON to OFF.
Hope that helps. Let us know how you are getting on with your use of DSS.