Index - U
| ublack | Chart.Core, Chart |
| ublue | Chart.Core, Chart |
| ucblue | Chart.Core, Chart |
| ucgreen | Chart.Core, Chart |
| UColor | |
| 1 (Type/Class) | Chart.Core, Chart |
| 2 (Data Constructor) | Chart.Core, Chart |
| ucolor | Chart.Core, Chart |
| ucopacity | Chart.Core, Chart |
| ucred | Chart.Core, Chart |
| UEvenOdd | Chart.Text, Chart |
| UFillRule | Chart.Text, Chart |
| ugrey | Chart.Core, Chart |
| underline | Chart |
| union | Chart |
| upper | Chart |
| UpperPos | Chart |
| utrans | Chart.Core, Chart |
| uwhite | Chart.Core, Chart |
| UWinding | Chart.Text, Chart |