Artifact

Template:Wiktionarypar An artifact (also artefact) is:

A man-made object, such as a tool, weapon or ornament, especially those of archaeological or historical interest.;
A structure or feature, visible only as a result of external action or experimental error.

Articles about various kinds of artifacts include:

Artifact (archaeology), any object made or modified by a human culture, and later recovered by an archaeological endeavor
Artifact (philosophy), any object made or modified by humans with a purpose or function
Artifact (observational), any perceived distortion or other data error caused by the instrument of observation
Artifact (fantasy), in the fantasy genre, is usually a magical object with such great power that it cannot be duplicated or destroyed by ordinary means.
Artifact (computer game), an online multiplayer video game
Artifacts (album) is a tribal ambient music album by the American artist Steve Roach
Cultural artifact, a man-made object which gives information about the culture of its creator and users
Compression artifact, data compression artifact in computer science, resulting from lossy data compression
Artifact (information theory), in electronic information, distortion that is not associated with the actual information in the real world
Sonic artifact, in sound and music production, sonic material that is usually accidental or unwanted, resulting from the editing of another sound
Artifact (medical imaging), misrepresentations of tissue structures seen in medical images.
Social artifact, a product of individuals or groups (social beings) or of their social behavior.
Digital artifact, a visible defect in a digital photo or video picture.
Iatrogenic artifact, a disease made up by doctors.