# Worlds, Filters and Masks

Source: https://help.malighting.com/grandMA2/en/help/key_wfm_world_filter_mask.html
This is grandocs, an unofficial mirror of MA Lighting documentation. For authoritative or safety-relevant information, cite the canonical page on help.malighting.com.

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The grandMA2 have three different functions that can help you work faster and more efficient.

They are called Worlds, Filters, and Masks.

[Worlds](/grandma2/key_wfm_what_are_worlds/) are used to limit the access to fixtures and attributes.

[Filters](/grandma2/key_wfm_what_are_filters/) are used to filter attribute values when doing different actions.

[Masks](/grandma2/key_wfm_what_are_masks/) are used to hide fixtures and attributes from your views.

## Subtopics

- [What are worlds](/grandma2/key_wfm_what_are_worlds/)
- [Create worlds](/grandma2/key_wfm_create_worlds/)
- [Auto create worlds](/grandma2/key_wfm_auto_create_worlds/)
- [Use worlds when programming](/grandma2/key_wfm_use_worlds/)
- [What are filters](/grandma2/key_wfm_what_are_filters/)
- [Create filters](/grandma2/key_wfm_create_filters/)
- [Use filters when programming](/grandma2/key_wfm_use_filter/)
- [Use temporary filters](/grandma2/key_wfm_temporary_filters/)
- [What are masks](/grandma2/key_wfm_what_are_masks/)
- [Create masks](/grandma2/key_wfm_create_mask/)
- [Use masks in the sheets](/grandma2/key_wfm_use_masks/)
- [Apply worlds or filters to executors and sequences](/grandma2/key_wfm_apply_to_exec_seq/)