core + meta (Meta Extension): terms used within schema.org for schema definitions.

steps

Canonical URL: http://schema.org/steps

Thing > Property > steps

A single step item (as HowToStep, text, document, video, etc.) or a HowToSection (originally misnamed 'steps'; 'step' is preferred).
Values expected to be one of these types
CreativeWork
ItemList
Text
Used on these types
HowTo
HowToSection
supersededBy
step

Schema Version 3.3