Glossary
The AI assistant glossary
Plain-English definitions for the terms that get used interchangeably — AI colleague, AI agent, AI executive assistant, and more — and what actually sets them apart.
- What Is an AI Agent? Definition, Types, and How They WorkAn AI agent is software that perceives, decides, and takes multi-step actions toward a goal. How agents work, autonomy levels, and what makes them reliable.
- What is an AI colleague?An AI colleague is an AI assistant that works inside your team's existing tools, with memory, governed actions, and a full audit trail.
- What is an AI executive assistant?An AI executive assistant runs your scheduling, inbox, and coordination inside the tools you already use, with memory, real actions, and approvals.
- What is an AI personal assistant?An AI personal assistant handles reminders, messages, calls, research, and your apps. Modern ones take real actions instead of just answering.
- What Is an AI Virtual Assistant? Definition and GuideAn AI virtual assistant handles scheduling, email, and research automatically. What it does, how it differs from a human VA, and what to look for.