Which tool defines relationships and manages collections of runtime maps at design time?

Launcher is a runtime execution tool used to invoke and run maps, not a design-time tool for defining relationships between them.

Design Studio is used to create and edit individual type trees and maps, but it does not manage collections of maps or define inter-map relationships.

Business Monitor is an operational monitoring tool that tracks transaction status and processing metrics at runtime, not a design-time relationship management tool.

Integration Flow Designer allows developers to visually compose and link multiple maps, define the sequence and conditional routing between them, and manage the resulting collection as a single deployable flow at design time. It provides the relationship-definition capability that individual map editors do not offer. This makes it the appropriate tool when the goal is orchestrating multiple runtime maps rather than editing a single map.