An AI agent is a system that takes a goal, breaks it into steps, uses tools to execute those steps, observes the results, and adjusts. An agentic system is a coordinated network of those agents working together — each with a defined role, a defined scope of authority, and a defined interface with your existing infrastructure.
What makes it different from other automation is that it handles variability. Traditional automation breaks when something unexpected happens. An agentic system is designed to reason about unexpected inputs, decide what to do, and either handle it or surface it to the right person with context already attached.
In practical terms: an agentic system can receive an invoice, cross-reference it against a purchase order and contract terms, identify a discrepancy, flag it to the correct internal owner with a summary of what's wrong, and log the entire chain of events — without a human initiating any of it.
That's not a chatbot. That's not an RPA script. That's an agentic system.