1. Nexus guidementions- The number, frequency, duration and attendance of Refinement is based on the dependencies and uncertainty inherent in the Product Backlog.
Does this mean , there is no rule that only representatives from each team should be present during refinement? It can be either representatives or all team members?
Also, unlike Nexus Sprint Planning or Nexus Daily Scrum, why the refinement meeting is simply mentioned as Refinement in Nexus guide?