The document discusses application consolidation, including identifying reasons to consolidate applications, challenges of fragmented applications, phases of consolidation, key considerations, and best practices. Specifically, it identifies potential situations that require consolidation such as post-mergers, fast company growth, and mature organizations. It also outlines phases of consolidation and lists options for consolidation including link-based, iframe-based, and full application migration. Key factors to consider are also provided such as security, integration, data migration, and infrastructure.