As used in this chapter:
1. "Business" includes every kind of private business, profession, occupation, calling, or operation of a private institution, whether for profit or nonprofit.
2. "Record" or "business record" includes any book of account, voucher, document, canceled check, payroll, correspondence, record of sales, personnel, equipment production, report relating to any of these items, and any other business paper.
3. "Reproduction" means a reproduction or durable medium for making a reproduction obtained by any photographic, photostatic, microfilm, microcard, miniature photographic, or other process that accurately reproduces or forms a durable medium for reproducing the original.