# 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](https://docs.nexthink.com/platform/references/references-classic/glossary-classic/user-classic)               | Shared               |
| Windows \| macOS \| Mobile | [Device](https://docs.nexthink.com/platform/references/references-classic/glossary-classic/device-classic)           | Specific             |
| Windows \| macOS           | [Package](https://docs.nexthink.com/platform/references/references-classic/glossary-classic/package-classic)         | Specific             |
| Windows \| macOS           | [Application](https://docs.nexthink.com/platform/references/references-classic/glossary-classic/application-classic) | Specific             |
| Windows \| macOS           | [Executable](https://docs.nexthink.com/platform/references/references-classic/glossary-classic/executable-classic)   | Specific             |
| Windows \| macOS           | [Binary](https://docs.nexthink.com/platform/references/references-classic/glossary-classic/binary-classic)           | Specific             |
| Windows \| macOS           | [Port](https://docs.nexthink.com/platform/references/references-classic/glossary-classic/port-classic)               | Shared               |
| Windows \| macOS           | [Destination](https://docs.nexthink.com/platform/references/references-classic/glossary-classic/destination-classic) | Shared               |
| Windows                    | [Domain](https://docs.nexthink.com/platform/references/references-classic/glossary-classic/domain-classic)           | Shared               |

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RELATED CONCEPTS

* [Activity](https://docs.nexthink.com/platform/references/references-classic/glossary-classic/activity-classic)
* [Event](https://docs.nexthink.com/platform/references/references-classic/glossary-classic/event-classic)