This figure shows the JDeveloper Rules Designer for the PurchaseItems.rules file in. It contains the following tabs: Facts, Functions, Globals, Bucketsets, Links, Decision Functions, and Rulesets. The Ruleset_1 tab is selected. This tab contains a View dropdown menu, and icons Add, Delete, Show Structure, Expand All Rules, Collapse All Rules, Toggle Display of Insertion Areas, Move Up, and Move Down. The Delete and Move Up and Move Down icons are gray. There are no rules defined.