Extasi -

: It compares the start of the current interaction sequence against a library of pre-defined ExTaSi signatures.

: The system continuously monitors the "traces" or logs of a user's current interactions.

In the context of computer science and user-assistance systems, refers to Explained Task Signatures . These signatures are used to describe and recognize user tasks based on patterns of interaction.

: When a match is detected—meaning the system recognizes the task you are likely trying to perform—it automatically triggers a relevant assistance agent.