A _______________ is a documentation tool that helps you keep track of the hierarchical relationships among subproblems.

The ________ control on a Visual Basic form is used to increase the form's readability

A) Frame B) TextBox C) Image D) Label

________ purpose cards may be used only for a finite number of purposes, and are issued by a particular merchant, telecommunications provider, or transit company

Fill in the blank(s) with the appropriate word(s).