Dialog Act

A classification label representing the communicative intention behind a spoken or written utterance in a conversational system. In the context of accessible technology, dialog acts are used to interpret what a user wants to accomplish when issuing voice commands — for example, whether an utterance like "go to search box" is a navigation command, a task invocation, or an information request. Dialog act models enable voice-controlled assistive technologies such as speech-enabled screen readers to understand user intent from natural language rather than requiring memorized command syntax, making interfaces more intuitive and accessible for people who cannot efficiently use keyboard shortcuts or visual interfaces.