Artifact is an object remaining from a particular period and which had a practical purpose while relic is an object esteemed and venerated because of an association of a saint or a martyr.
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ARTIFACTS ---> refer to simple objects that a human created in the past. These objects usually had a practical application and were deemed useful in some form. Artifacts are often studied by social, philosophical and archaeological scientists.

While RELICS ---> these are objects surviving from an earlier time, especially one of historical or sentimental interest.