What is the difference between Humint vs Signal Intelligence (Sigint)?

Humint (Human Intelligence) involves gathering information through human sources and interactions, often in the field. Sigint (Signal Intelligence) focuses on intercepting and analyzing electronic signals and communications. While both are vital to intelligence work, Humint emphasizes personal interactions, whereas Sigint relies on technical interception. Understanding these differences helps clarify roles within intelligence agencies and their respective methods of information collection.