Methyl Orange Indicator: Another pH indicator which goes from red in acidic solution to yellow in basic solution. Like another type of traffic light with different colors.
Neutral Solution: A solution with a pH of 7, neither acidic nor basic. This would be like the traffic light being off - there's no specific direction indicated.
pH Indicator Range: The range within which an indicator changes color. It's like knowing at what speeds the traffic light will change colors.