Glossary If this doesn't clear things up, just come in. We'll explain everything you need to know. A B C D E F G H I J K L M N O P Q R S T U V W Click the first letter of the term you're searching for to get an easy-to-understand explanation. Keogh Plan - A retirement savings plan that is available to self-employed taxpayers. Contributions are deductible within specific limits. KETRA - The Katrina Emergency Tax Relief Act of 2005. Kidnapped Child - A child who is presumed by law enforcement authorities to have been kidnapped by someone who is not a family member.