'The arts' can refer to performatives (e.g., drama, music, film, dance, etc.), written work (e.g., creative nonfiction, fiction, poetry, etc.), and presentations/shows of works that are made in 2D (paintings, murals, wall hangings, photographs, etc. ) and 3 D (sculpture, carvings, installations, woodworking, jewellery, etc.).
The arts can be used in sharing experiences (either one's own or those of a group of people), coping strategies, research findings, and for instruction or awareness raising and advocacy. These approaches might also be used to interest people in forming a community-based participatory research group.
Suggested resources are:

Special Issue of Forum: Qualitative Social Research on Performative Social Science
http://www.qualitative-research.net/index.php/fqs/issue/view/10
International Journal of Creative Arts in Interdisciplinary Practice (Cheryl McLean, Editor)
and Art Crossing Borders (Cheryl McLean's blog)
Cheryl is the co-editor with Robert Kelly of:
Creative Arts in Interdisciplinary Practice (2010)
Creative Arts in Research for Community and Cultural Change
(2011)
Creative Arts in Humane Medicine (2013)
More links to come...about to board a flight to the 4th International Critical Dietetics Conference in Chicago!