# Object (classic)

An *object* is a representation of an identifiable element in your IT infrastructure whose properties, activities and generated events are monitored by Nexthink. An object can refer either to a hardware or to a software element.

There are ten types of objects in Nexthink. The availability of each type of object and the information that they carry depend on the platform of the end-user devices that originated them. Object types that are available for multiple platforms can be divided into *specific* to a platform and *shared* by platforms. Objects which are specific to a platform belong to one platform only. For instance, devices are platform specific because one device may be either a Windows device, a Mac OS device, or a Mobile device. On the other hand, users are platform shared, because the same user may have been seen in Windows, Mac OS, or Mobile.

| Available for platforms    | Object type                                                                                    | Platform specificity |
| -------------------------- | ---------------------------------------------------------------------------------------------- | -------------------- |
| Windows \| macOS \| Mobile | [User](/platform/references/references-classic/glossary-classic/user-classic.md)               | Shared               |
| Windows \| macOS \| Mobile | [Device](/platform/references/references-classic/glossary-classic/device-classic.md)           | Specific             |
| Windows \| macOS           | [Package](/platform/references/references-classic/glossary-classic/package-classic.md)         | Specific             |
| Windows \| macOS           | [Application](/platform/references/references-classic/glossary-classic/application-classic.md) | Specific             |
| Windows \| macOS           | [Executable](/platform/references/references-classic/glossary-classic/executable-classic.md)   | Specific             |
| Windows \| macOS           | [Binary](/platform/references/references-classic/glossary-classic/binary-classic.md)           | Specific             |
| Windows \| macOS           | [Port](/platform/references/references-classic/glossary-classic/port-classic.md)               | Shared               |
| Windows \| macOS           | [Destination](/platform/references/references-classic/glossary-classic/destination-classic.md) | Shared               |
| Windows                    | [Domain](/platform/references/references-classic/glossary-classic/domain-classic.md)           | Shared               |

***

RELATED CONCEPTS

* [Activity](/platform/references/references-classic/glossary-classic/activity-classic.md)
* [Event](/platform/references/references-classic/glossary-classic/event-classic.md)


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