Most commonly variants, but also variation points, are linked to development artefacts. This is the means by which the OVM applies its variability model to actual artefacts. Variants may be related to development artefacts of an arbitrary granularity, so for example a link may exist to an entire use case, or to a single step of a use case scenario.
A variant must be related to at least one development artefact, and can be related to many. Conversely, a development artefact can, but does not have to, relate to one or several variants.