"a" sign in UseCase diagram

[ShelLuser]

You’re welcome

If you want to know even more about all this, I also wrote a guide in the mean time:

[Guide] Explaining the mysterious 'M' and 'a' model indicators

Hi gang! [vp_indicators] There’s one question about Visual Paradigm which constantly keeps popping up from time to time: “Why do I suddenly see an M (or a) indicator?”, and: “How do I get rid of them?”. I’ll be honest: a recent question made me decide to write this guide, but this question has seriously been asked a lot over the years. I even recall seeing it frequently mentioned on the previous forum. Now, this aspect is of course already explained. There’s the Master view and auxiliary view…

Hope this can help too