# Track a set to completion

A [set](https://getkollek.com/en/docs/core-concepts/categories-sets-and-series) is a finite list you are working to complete inside one collection: a twelve issue limited run, a full team of rookie cards, a discography. Give a set a target count and KolleK shows you owned versus target, so "how close am I" always has an answer.

You need the editor or owner role to create or change sets.

## Create a set

::::steps
:::step title="Open the collection's sets"
Open the collection and go to its **Sets**.
:::

:::step title="Create the set"
Choose **New set**, name it, and enter the **target count**, the number of items the complete set holds. Noah creates "Blue Note 1500 series" with a target of 100.

::screenshot{label="New set form with the target count field"}
:::

:::step title="Add items to it"
When adding or editing an item, pick the set on the item form. Each item you file into the set moves the owned number up.
:::
::::

## How completion is counted

The set page rolls up what you own against the target. Owning 37 of a 100 record series reads as 37 of 100. Completion also feeds the [collection statistics](https://getkollek.com/en/docs/insights/collection-statistics), where all your sets combine into an overall completion figure.

Two details worth knowing:

- **Only a set with a target above zero counts towards completion statistics.** A set without a target still groups items, it just makes no completion claim.
- **A set holding more items than its target counts as complete, not as over complete.** Duplicates and variants will not push you past 100 percent.

## Sets versus series

A set lives inside one collection and tracks completion. A [series](https://getkollek.com/en/docs/organizing/group-a-franchise-with-series) spans collections and tracks nothing; it only groups a franchise. If you are asking "which ones am I missing", you want a set.

## Delete a set

Deleting a set sends it to the [trash](https://getkollek.com/en/docs/data-safety/restore-from-trash), and it can be restored from there.

:::warning
Deleting a set removes the grouping, and its completion tracking with it. The items in the set are not deleted and keep all their data.
:::

## Where to next

- Group a franchise across collections with [series](https://getkollek.com/en/docs/organizing/group-a-franchise-with-series).
- See completion roll up in [Understand your collection statistics](https://getkollek.com/en/docs/insights/collection-statistics).