> For the complete documentation index, see [llms.txt](https://docs.videc.de/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.videc.de/acron-9.3/en/anlagenkonfiguration/verfahrensgroessen/wl_vg.md). # Toolbar icons


Icon	Meaning	Execution
	Cut	Cut an object
	Copy	Copy an object
	Paste	Paste a cut or copied object
	Delete	Delete the selection Background data compression Compression of variable time ranges on request from the ACRON Reporter Deletion of temporary files Optimization of database in terms of size and access speed Checking of hard disk space Deletion of plant data beyond the archiving time limit. NoteReferenced objects cannot be deleted.Exception: Usage in input masks and reports does not block deletion.
	Group	Create a group for process variables
	Auto variable	Create an auto variable Note If the focus is on an auto variable, a copy of the auto variable is created.
	Manual variable	Create a manual variable NoteIf the focus is on a manual variable, a copy of the manual variable is created.
	Calculation variable	Create a calculation variable NoteIf the focus is on a calculation variable, a copy of the calculation variable is created.
	Key figure	Create a key figure by selecting a key figure template NoteIf the focus is on a key figure, a copy of the key figure is created.
	External process variable...	Inclusion of an external process variable NoteProcess variables can only be included if a connection exists to another plant.
	Automatic generation...	Create an auto variable based on a selected external variable, applying the default settings
	Convert to...	Convert auto variable to manual variable or manual variable to auto variable
	Recalculation from...	Recalculation of the compression data for the selection
	Export...	Process variables... Export the complete process variable configuration to a csv file. Process variables for renaming... Export of the process variables to a .csv file.
	Import	Process variable from file... Selective import of process variables from a .csv file. NoteExisting process variables are overwritten and/or moved after a prompt. Process variable from plant... Process variables for renaming... Process variable from renaming... Import of process variables from a .csv file. NoteOnly the newly added changes are processed.
	References...	Overview of the usage of this process variable
	Process variables without references	Display all process variables that are not referenced, with the option to delete some or all of them.

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