MBSE (Model-Based Systems Engineering)

Model-based systems Engineering (MBSE)  is a methodology that uses visual models (rather than textual documents or informal diagrams) to define and specify systems' functions, structures, and behaviors all along the different phases of their lifecycle. 

Models aim to fetch greater precision and consistency at every stage of a development process by orchestrating system requirements, design, analysis, V&V (Verification and Validation) activities, and more.

MBSE creates links and brings cohesion between every component of a system lifecycle. It also provides a single source of truth, gathering all the information regarding designs and requirement management. As a result, even the most disparate engineering teams share the same level of information about the status and evolution of each design.