Digital stocks, altogether (without electronic journals and electronic newspapers) (digital media which have been purchased by the library and became part of its catalog. Both Web publications and those on digital media, e.g. CD, DVD. Databases.). In the sense of this statistics, the purchase of electronics media can happen by 1. Purchase of data 2. Purchase of access rights 3. Digitization (in the own institution or externally) 4. Making local copies (in compliance with copyrights) 5. Putting documents in an institutional Open Access repository; expenditures (only the expenditures of the library, but including article process charges (APC);
digital stocks include online electronic resources as well as physical media such as CDs and DVDs; this count includes both online and physical media, so it is connected to both RM and ERM.