# 3 - Groups
On this section of campaign creation you set all details (content, number of links, account bucket etc) for each link group separately.
On the left side of the screen **(1)** you can select different filter options to show/hide link groups.
On the right side of the screen **(2)** you set each group settings.
### Group Filters
Group filter help you filter group types according to different criteria. This helps the screen to remain "clear" and less overwhelming.
There are three different filter types:
* **Per Tier View** : filters groups according to their tier level (more info on [**diagram tiers**](/additional-information/glossary/tiers.md))
* **Per Group Type View**: filters groups according to link group type (more info on [**group types**](/documentation/diagram-editor/link-group-types.md))
* **Groups With Validation Errors**: show only groups with errors while the user sets group data.
To better understand each group filters, we will show you the selected diagram used on this example:
Diagram used on the example to demostrate group filters
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