Interstate Commerce: Refers to trade or economic activity that takes place between two or more states. It falls under federal jurisdiction according to the ruling in Gibbons v Ogden.
Intrastate Commerce: Relates to trade or economic activity that occurs solely within one state's boundaries. It is typically regulated by state governments rather than the federal government.
Commerce Clause: Refers to a clause in Article 1, Section 8 of the Constitution that grants Congress the power to regulate interstate commerce. This clause played a significant role in the outcome of Gibbons v Ogden and subsequent commerce-related cases.