Final answer:
A Search Head is used for data visualization and searching, while a Forwarder is used for data forwarding.
Step-by-step explanation:
In a data management architecture, the Search Head is responsible for data visualization and data searching. It allows users to interact with the data stored in the system by creating visualizations, dashboards, and performing searches using queries.
On the other hand, a Forwarder is used for data forwarding. It collects data from various sources and sends it to the indexer for processing and storage.
Therefore, in summary, a Search Head is used for data visualization and searching, while a Forwarder is used for data forwarding.