@Acer My big tip is to use an imagesearch service (like images.google.com) and put in the term you don't know. Usually it gives you a clear visual answer on what it is.
@Acer Oh... well, for the sake of completeness you could've mentioned that in your first question. I had no idea that it was related to microservices, and probably not many others would know either.
@trinsec
imagesearch gives me many images of swimming pool but what I need is a floating pool related to microservices
I saw the word in
https://steven-lemon182.medium.com/why-our-team-cancelled-our-move-to-microservices-8fd87898d952