In WEB Station there are Charts too, but they differ from the same tool in the .Desktop. You can see Chart in your workspace, and if there are no charts on your layout, go to Edit Layout button and create needed panel.

Charts have such look:

You also can watch the detailed information about bar. Use for it Info Window. Drug your mouse to bar that you are interested in. It's available next information: Date/Time of bar; Open; High; Low; Close.

Here you can choose instrument, using  icon and change Range or Period or Type of bars (it's available three more spread types: candel, bar, line). Also you can change time interval for the chart, using a big scroll on the bottom of the panel:

Also you have an opportunity to add indicator on a chart. To do it you should press button Add indicator. After this you will see Indicator LookUp.

You need to choose indictor that you want and press OK. After this you will see indicator settings. Press OK and you will see indicator on your chart.

If you need to close indicator you can press button . If you need to change indicator you can press button  to open indicator settings. If you want to know more you can read here.