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To establish a plan, method, or course for something. After Rose's surgery, the doctor will chart out a treatment plan for her ongoing physical therapy. Mom and dad are still charting out a course for our road trip.
off the charts
1. Quite a lot more or better than is usual or was expected. Our electricity bill was off the charts last month! How could we be using that much energy?
2. Especially or unbelievably great, wonderful, exciting, etc. I'm telling you, that concert is going to be off the charts!
chart something out (for someone or something)
to lay out a plan or course for someone or something. The navigator charted the course out for the captain. The captain charted out the course for us.
off the ˈcharts(about a score, number, price, etc.) far higher or better than normal: Gas prices are off the charts, making this an expensive winter for home heating. ♢ The response has been off the charts. Everybody loved it.
n. a musical score. (see also map.) Come on, man! Look at the chart! You’re making clinkers like hot cakes.
n. the trade magazine rankings of current pop music. The big one is back on the charts this week. Give it a listen.
See also: chart