# Semantic conventions for hardware **Status**: [Development][DocumentStatus] This document describes instruments and attributes for common hardware level metrics in OpenTelemetry. Consider the [general metric semantic conventions](/docs/general/metrics.md#general-guidelines) when creating instruments not explicitly defined in the specification. Semantic conventions for hardware are defined as following: * [Common Hardware Metrics](common.md): Semantic Conventions for *common* hardware metrics. * [Physical Host Metrics](host.md): Semantic Conventions for *physical host* metrics. [DocumentStatus]: https://opentelemetry.io/docs/specs/otel/document-status