How to make an advertising brief

Recently we were taught what needed to be included in an advertising brief, here is the outline:

Background
-Background to product and communication problem
-What does the client want to achieve
-Where the product is up to now

Problem
-(Not on every brief)
-What the campaign should achieve

Proposition
-Short summary
-What do you want to leave in the consumers mind
-What impression do you want to create
-What you want to communicate
-Communicating narrative

Tone of voice
-Humourous, respectable etc
- 2/3 words that set the tone of voice to communicate
-e.g Loreal could be confident, encouraging, professional

Target Audience
-Who are you talking to
-Who is it aimed at? Taylor it!
-Important for the brand to know WHO
-Can broaden it

Mandatories
-Logos
-Straplines
-Things that must be included
-Brand guidelines
-Colours

Strapline
-e.d I'm loving it
-e.g Just do it