What is the term in ontology that refers to the hierarchical description and vocabulary concerning a particular domain

 The ontology lists types of object, the relationships between objects, and constraints on the ways that objects and relationships can be combined. In computer science ontology defines types, properties, and interrelationships of the entities.
Schema is the term in ontology that refers to the hierarchical description and vocabulary concerning a particular domain.

Ontology is a set of concepts and categories in a subject area or in a domain that shows their properties and relationships between them.
so the term that refers to the hierarchical description and vocabulary concerning a particular domain in ontology is SCHEMA.
Schema- in computing its an organization or structure for database.it formulates how data is organized and how the relations among them are associated. Formulates all the constraints that are to be applied on the data.
Which describes a pattern or collaborative activity  with a mission to create ,maintain,and promote data on the internet on web pages in email messages e.t.c