Document focusing on capabilities
@@ -27,6 +27,19 @@ As with other OpenTelemetry clients, opentelemetry-python follows the
It's especially valuable to read through the (library guidelines)[https://github.com/open-telemetry/opentelemetry-specification/blob/master/specification/library-guidelines.md].
+### Focus on Capabilities, Not Structure Compliance
+
+OpenTelemetry is an evolving specification, one where the desires and
+use cases are clear, but the method to satisfy those uses cases are not.
+
+As such, Contributions should provide functionality and behavior that
+conforms to the specification, but the interface and structure is flexible.
+
+It is preferable to have contributions follow the idioms of the language
+rather than conform to specific API names or argument patterns in the spec.
+
+For a deeper discussion, see: https://github.com/open-telemetry/opentelemetry-specification/issues/165
+
## Styleguide
