BBC 5 being all of the channels I guess. I thought this would be an interesting read for some. I tried looking through it. It's too much mumbo jumbo for me. Others might have a clearer understanding of it..
http://www.bbc.co.uk/bbctrust/our_work/strategy_review/index.shtml
http://www.bbc.co.uk/bbctrust/our_work/strategy_review/index.shtml