Definition of Terms.

The document titled "Definition of Terms" provides definitions for various terms used in revenue rulings and revenue procedures. It explains terms such as "amplified," "clarified," "distinguished," "modified," "obsoleted," "revoked," "superseded," "supplemented," and "suspended" to describe the effect of these rulings. The document also includes a list of abbreviations commonly used in the Internal Revenue Bulletin. Additionally, it provides a numerical finding list and a finding list of current actions on previously published items. [Extracted from the article]