A name so everyone knows what game we are talking about.
Brief description of the game that must excite the reader. If someone need to waste two pages of life reading this concept you need to sell it from the start.
The genre and flavor of the game.
Target platforms, names only and no other details needed.
Describe the main points of the gameplay for the reader as he or she is the player. Focus on the important aspects of the game that sets it apart from other games.
Describe the core elements of the game that should be the focus for the development. It can be gameplay (ex gunplay, climbing), visuals (ex player animation, art style) or any other aspect (ex music, player generated content). These should be visible in the description above also.