That's my understanding as well. IMO it would be interesting to consider all static components, i.e. you don't add/remove components at runtime. If you do wan

That's my understanding as well. IMO it would be interesting to consider all static components, i.e. you don't add/remove components at runtime. If you do want "tags", have a TagsComponent (statically added to all entities that can have tags) and modify the values in it.