A "minute chart" refers to a graphical representation of data or information that displays changes or events that occur every minute. It is a way to track and understand how something is changing or progressing on a small time scale. Full definition
The fact that we worked extremely hard for the money in our trading account seems to go right out the window after staring at a 5 minute chart for a while. (learntotradethemarket.com)
I personally have the freedom to watch the 15 - minute charts in order to take every qualified setup. (fxdayjob.com)
Bigger charts: A trend seen on a five minute chart does not carry anywhere near as much weight as a chart that is based on daily, weekly or monthly price action. (gffbrokers.com)