Building a task model that allows you to prioritize task flows, interaction flows and associates them to your target users help carry critical information forward with the journey mapping stage.  Creating a task flow allows us to see if application agrees with the user model. The information architecture is great for diagramming the user narrative, business requirements and how the user will accomplish the a task with in the application. Task models help define the specific tasks or sub tasks each user must undergo. These must match up with the information architecture to make sure the business requirements are meet.

Having a clearly defined task flows help define any pains users might have within the system early on. Making sure the task flows line up with business requirements is key as if task flows are incorrectly mapped they can create large issues. Red Cherry having experience in 100+ enterprise software builds clean identify key pains effectively and help map effective business processes.