Please think of me, everytime I need to direct a patron to this forum or when I'm talking with other moderators about it then I need to write (and remember!) Officina de propositum. I already had a hard time with Repository.
Perhaps it's better if we make it sound a bit more catchy. A word like colosseum is already known to most people and is thus easier to recognize. When a normal patron comes along and he sees Officina de propositum...