line management

noun
  1. commerce those managers in an organization who are responsible for the main activity or product of the organization, as distinct from those, such as transport, accounting, or personnel, who provide services to the line management
Derived Formsline manager, noun
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012