The core activity of media f encompasses two main areas:
1. **Printing**: The company offers a wide range of printing services, including offset and digital printing, as well as the production of various printed products such as flyers, leaflets, business cards, letterheads, brochures, and more.
2. **Advertising Management**: The company also provides services in the field of advertising and communication, including the creation of advertising campaigns, the placement of advertisements in local and regional media, and support for content dissemination.
Overall, the core activity of media f can be described as **Printing and Advertising Services**.