Operating Income: Operating income is the revenue generated from a company's primary business activities, minus the associated operating expenses such as cost of goods sold, selling, general, and administrative expenses.
Extraordinary Items: Extraordinary items are infrequent and unusual gains or losses that are not part of a company's normal business operations, such as natural disasters, lawsuits, or the sale of a major business segment.
Comprehensive Income: Comprehensive income includes both net income (from operating activities) and other comprehensive income, such as unrealized gains or losses on investments and foreign currency translation adjustments.