Final answer:
The 'Business Glossary' is installed by the Collibra Data Governance Center installer as a foundational community containing pre-defined domains for asset onboarding.
Step-by-step explanation:
The community that is installed by the Collibra Data Governance Center installer, which includes domains that serve as the default domains for the onboarding of assets for certain asset types, is known as the Business Glossary. This foundational community contains out-of-the-box assets that aid in the governance of data within an organization. Within the Business Glossary, one can find pre-defined domains tailored to specific business needs, which are designed to expedite the process of asset onboarding and ensure that data governance practices align with standard methodologies.