PR的Marketing Communications Planner基本是做什么?

PR的Marketing Communications Planner基本是做什么?
Job Descriptions：
1、To take briefs from client,develop strategies and creative concepts with the Planning Director and concept development team
2、Writing of pitch and project documents,presentation to client and client management through the primary conceptual process
3、Liaison with other Group heads (Advance E-Marketing) to ensure better efficiencies and quality of work,up-selling/cross selling projects where ever possible
4、Advise team on market situation,corporate business strategy and consumer insight
5、To assist in the preparation,management and analysis of consumer research
6、To form a key part in the New Business process.Finding potential clients,developing pitch documents and managing pitch teams
本人以前是做4A MEDIA PLANNER的,请问是否有共通之处?要知道Job Descriptions根本看不出区别,而且都太笼统,最好有朋友能通俗点介绍一下Marketing Communications Planner的工作
pls dont show me what marketing communications manager's responsibility or how to create a marketing plan...thx,thats not my questions