There is a saying that “ Well begun is half done ” which means a clearly understood scope of work and a well-defined plan makes the work easier. There are some key activities in Functional Safety that must be “Well begun”. Let us understand the key aspects of functional safety (FuSa) management in this article. The foundation and pillars must be strong to build a safe house. To build a safe 'Item', the foundation and pillars that must be strong are: FuSa Process DIA (Development Interface Agreement) Safety Plan Safety Case The above picture represents a high-level Functional Safety framework. This Framework Starts with DIA – to define the scope of work Progresses with Safety plan – to define the strategy how to perform the work Ends with Safety case – to argue the achievement of Functional Safety compliance. This framework represents FuSa Process as the "Foundation" of FuSa Development, DIA as the Input to the Complete FuSa cycle and Safety Case as its Output. Safe