Client Briefs

Informal
Can be as straightforward as a chat over a drink
Non/limiting documentation supporting
No direct contractual agreement
No specific requirements outlined initially
These tend to be undertaken and then fleshed out at a later date
Formal
Written document
Technical and specific language
Focused/in depth
Majority of briefs are written formally
Contractual
(Formal) Tasks are accepted under legal obligation (signed document)
The client's desires and deadlines outlined must be met
Both the client and the media producer must abide by the brief
Negotiated
Both the client and media producer make decisions
Through negotiations the brief may be altered
Co-operative Brief
Two or more media producers/production companies working together to meet the brief
e.g. film producers and different post production houses
Tender

Competition 
Brief is advertised/given to multiple media producers
The producers don't have to do a pitch
All the different producers create their product
The client then picks which one is best
The reward is often just the prospect of getting your project published/distributed
Commission
A media company employs an independent company to produce a product for them on their behalf
The brief is not negotiated between the media producer and their employer/commissioner
However the commissioner might negotiate the brief with the client
The independent company is paid and may receive royalties

Constraints
Factors that could impact the potential project management of a brief
Explicit requirements
Implicit requirements
Requirements that are open to interpretation

SWOT Analysis
A SWOT analysis allows someone to identify their project's strengths, weaknesses, opportunities and threats. By knowing this, it would be possible for this person to eliminate as many threats and weaknesses as possible in order to improve their product. When conducting the SWOT analysis, the person in charge should be truthful and ruthless as to not leave anything out.