I think it originated with the Lisa. It's mentioned in that context on folklore.org (1): > Lisa users never dealt with Lisa applications directly (these were c

I think it originated with the Lisa. It's mentioned in that context on folklore.org (1): > Lisa users never dealt with Lisa applications directly (these were called tools in Lisa parlance) but instead always manipulated stationery pads which produced documents. (1) https://www.folklore.org/ProjectView.py?project=Macintosh&index=120&sortOrder=Sort+by+Rating&detail=Show+Everything https://www.folklore.org/ProjectView.py?project=Macintosh&in...