What does Public Cloud mean?

In the context of technology, public refers to one of three types of cloud data storage. A public cloud server is owned and maintained by a third party that stores the information of multiple organizations in a single database. Data in a public cloud is segregated by company using database management system software.

Aside from data storage, what else does public refer to in a cloud server?

In addition to data storage and servers, a public cloud system means that the hardware, software and other infrastructure is owned and managed by a third-party provider. Companies that have public cloud servers for their business are not responsible for maintaining security, uptime and other components of the system.