Poster brief
Background information
The client (the sender) should provide enough information about the background of the project: what is the (primary) message to be delivered, what is the target group, are there any necessary items, images, words etc. to be included in the poster or are there any restrictions in the artwork.
Schedule & budget
A firm schedule should be pointed out, more accurate the better. Same goes with the budget.
Contact persons
The people from the client side (the people Ill be contacting) should be pointed out. Also the rules should be set firmly, who is in charge of what.
Case example
Design a poster for Ryhmäteatteris play Lokki by Anton Chekhov.