AI Chatbot Glossary

Conversational AI Concepts, Plainly Defined

A compact reference for the terms buyers and engineering teams run into when planning production chatbots, virtual assistants and support automation.

NLP

Natural Language Processing

Natural language processing is the branch of artificial intelligence focused on enabling software systems to read, parse, interpret, transform, and generate human language in structured and unstructured formats.

NLU

Natural Language Understanding

Natural language understanding is a specialized subfield of NLP focused on machine comprehension, inferring user intent, context, and underlying meaning from human text or speech.

Concept

Intent Recognition

Intent recognition is the computational task of identifying the specific goal, objective, or action a user intends to achieve from their text or spoken message.

Concept

Dialogue Management

Dialogue management is the control layer of a conversational system that tracks conversation state, resolves slot requirements, and determines the optimal next action.

Concept

Sentiment Analysis

Sentiment analysis is the process of classifying the emotional tone and polarity of text or speech, categorizing inputs into positive, neutral, negative, or urgent states.

RAG

Retrieval-Augmented Generation

Retrieval-augmented generation is an architecture pattern where an AI engine retrieves relevant document passages from external databases before generating a response.

Concept

Agentic AI

Agentic AI describes autonomous software systems that can decompose complex goals into multi-step execution plans, select and invoke external tools, evaluate intermediate outputs, and iterate toward a goal.

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