2. Most important story mechanics and motivation.
Since we want to make a text-adventure-liked game, the most important story mechanics are a series of choices we will set up as several checkpoints of this game when the main character is trying to climb to the summit. If the player chose the wrong option, the character will either die or have some adverse consequence. Only when the player makes the right decision, the game could continue.
3. Story Boards OR Mood Boards (Design Aesthetics)