Bid is a type of Play. Play is a different concept from Pause. 
Core is a type of Bar. Core is a synonym of Effect. Serve is a type of Effect. Dish can be used for Serve. 
Bid --IsA--> Play <--DistinctFrom--> Pause 
Bar <--IsA-- Core <--Synonym--> Effect <--IsA-- Serve <--UsedFor-- Dish 