The <executionPlan> element has the following optional child elements, which must appear in the order shown. These child elements might have their own child elements, attributes, or both.
<paramList> – Declares a list of parameters for use by steps contained in the plan and any components that they reference
<varList> – Declares a list of variables for use by the steps contained in the plan and any components they reference
<simpleSteps> – Contains one or more “shared” or “simple plan only” steps
<compositeSteps> – Contains one or more “composite plan-only” steps