Used before making a statement to introduce it as a trustworthy one.
An individual value or measurement at the lowest level of granularity in a data warehouse.
An objective consensus on a fundamental reality that has been agreed upon by a substantial number of experts.
Something which is real.
A wrongful or criminal deed.
Something actual as opposed to invented.
Something concrete used as a basis for further interpretation.
Information about a particular subject, especially actual conditions and/or circumstances.
A confident but incorrect response given by an artificial intelligence.
A sensory perception of something that does not exist, often arising from disorder of the nervous system, as in delirium tremens.
The act of hallucinating; a wandering of the mind; an error, mistake or blunder.