My geography teacher made us remember this.ODEA, you are so FAT O - Overall (the overall trend)D - Decrease (the decrease in the trend)E - Example (an example of the decrease)A - Abnormal (a sharp drop or a rapid increase)F - Figures (the numbers in the graph)A - Adjectives (the adjectives to describe the trend)T - Time period (example: from 1999 to 2011, that is a time period of twelve years)