The grid on Event Cards corresponds to the 3x3 grid of locations on the City Board. When a symbol relates to a specific section of the grid it relates to the corresponding location on the City Board.
Danger is represented in game by Danger Cubes that are placed on the locations indicated by Event Cards. The number of Danger Cubes placed is indicated by the number inside the red circle.
Inspiration is represented in the game by Inspiration Cubes that are placed on the locations indicated by Event Cards. The number of Inspiration Cubes placed is indicated by the number inside the blue circle.
Other effects caused by Event Cards are displayed in this box at the bottom of the card. For example, this Event causes the Scientist to move to the Agency HQ location on the Board.