What is the Difference Between Similar But Different Things, Terms, and Objects

What is the Difference between Ias Sap Grap Non-Gaap Fasb Ifrs Gaap and Gaas

Accounting terms are really hard to understand for a common person. In fact, these are some purely financing related technical concepts that make these accounting terms, somewhat hard to understand. Ias, Sap, Grap, Non-Gaap, Fasb, Ifrs, Gaap and Gaas are the names of such accounting terms that are somewhat confusing for a person, having no study of accounting.