Complex sentence: Common law (also known as case law or precedent) is law developed by judges through decisions of courts and similar tribunals that decide individual cases, as opposed to statutes adopted through the legislative process or regulations issued by the executive branch.
Split into simpler sentences: Common law (also known as case law or precedent) is law developed by judges through decisions of courts and similar tribunals that decide individual cases. In comparison, statutory law is law adopted through the legislative process, and regulatory law is law issued by the executive branch.