In short, yes.
In slightly more detail:
http://www.bbc.co.uk/aboutthebbc/servic ... adio.shtmlRadio 1The remit of Radio 1 is to entertain and engage a broad range of young listeners with a distinctive mix of contemporary music and speech. It should reflect the lives and interests of 15–29 year olds but also embrace others who share similar tastes.
It should offer a range of new music, support emerging artists – especially those from the UK – and provide a platform for live music. News, documentaries and advice campaigns should cover areas of relevance to young adults.
Radio 2The remit of Radio 2 is to be a distinctive, mixed music and speech service, targeted at a broad audience, appealing to all age groups over 35.
It should offer entertaining popular music programmes and speech-based content including news, current affairs, documentaries, religion, arts, comedy, readings and social action output.
Radio 3The remit of Radio 3 is to offer a mix of music and cultural programming in order to engage and entertain its audience. Around its core proposition of classical music, its speech-based programming should inform and educate the audience about music and culture. Jazz, world music, drama, the arts and ideas, and religious programming should feature in its output.
The service should appeal to listeners of any age seeking to expand their cultural horizons through engagement with the world of music and the arts.
Radio 4The remit of Radio 4 is to be a mixed speech service, offering in-depth news and current affairs and a wide range of other speech output including drama, readings, comedy, factual and magazine programmes.
The service should appeal to listeners seeking intelligent programmes in many genres which inform, educate and entertain.
Radio 5The remit of Radio 5 Live is to be BBC Radio's home of continuous news and live sports coverage. It should aim to bring its audience major news stories and sports events as they happen, and provide context through wide-ranging analysis and discussion.
Programming should be designed to inform, entertain and involve. The service should appeal to news and sports fans of all ages and from all ethnic backgrounds and areas across the UK.