What primary characteristic defines external integration tools in information systems?

The primary characteristic that defines external integration tools in information systems is their ability to enhance communication with external partners. These tools are designed to facilitate the sharing of data, information, and workflows between an organization's internal systems and those of external entities such as suppliers, customers, or business collaborators. By improving communication, external integration tools help ensure that all parties involved can work together more effectively, making it easier to coordinate activities, share relevant information, and respond to each other's needs in a timely manner.

This is particularly important in today's interconnected business environment, where organizations often rely on collaboration with external stakeholders to drive efficiency and innovation. The focus of these tools is on creating seamless interactions across different platforms and systems, thus fostering stronger partnerships and enhancing overall business agility.

Other options, while relevant to information systems, do not capture the essence of external integration tools. For instance, focusing on internal data management relates to systems that optimize a company's own data processes rather than facilitating external collaboration. Similarly, security protocols are crucial in any data exchange but represent a subset of concerns rather than the primary function of external integration tools. Streamlining organizational workflows pertains to internal processes and efficiency improvements rather than the external communication aspect these tools are primarily designed to enhance.