What mainly characterizes cloud storage?

Cloud storage is primarily characterized by its ability to provide remote storage capabilities that can be accessed over the internet. This means that users can store data on external servers that are managed by a cloud service provider, rather than relying solely on local storage devices or hardware.

This remote accessibility is a key advantage of cloud storage, as it allows users to upload, retrieve, and manage their data from virtually any internet-connected device, such as computers, tablets, and smartphones. It promotes flexibility and collaboration, enabling multiple users to access and share files easily irrespective of their physical location.

The other options do not accurately reflect the essence of cloud storage. For instance, it is not limited to specific devices, as it is designed to be broadly accessible. Additionally, cloud storage eliminates the necessity for on-site physical hardware, as the data is maintained on the servers of the service provider. Lastly, while some users may utilize cloud storage for document editing, it is not exclusively for that purpose; it serves a wide range of functions, including data backup, multimedia storage, and application hosting.