> For the complete documentation index, see [llms.txt](https://script.agenatrader.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://script.agenatrader.com/handling-bars-and-instruments.md).

# Handling bars and instruments

Data is understood as information that is retrieved externally and uploaded to AgenaTrader, or as data series that are created by AgenaScripts.

Further detailed information can be found using the appropriate shortcuts:

[Bars](/handling-bars-and-instruments/bars.md)

[Collections](/handling-bars-and-instruments/collections.md)

[Data series](/handling-bars-and-instruments/data-series.md)

[Instruments](/handling-bars-and-instruments/instruments.md)

[Multibars](/handling-bars-and-instruments/multibars.md)