The operational line on the field, on the front, on the tip. It is coupled to Blunt End, rear areas, (Sharp End & Blunt End). Also Front End, which is coupled to Back End (Front End & Back End). In a generic system it indicates the part that carries out a series of frontal, top-level activities on the operational field, directly in contact with the processes external to the system itself. Typically it is connected with the part of the system in the rear (Blunt End or Back End)
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