# Dimension details

You can add or update dimensions through [Product model setup](https://docs.struct.com/pim3/reference/product-model-setup) > [Dimensions](https://docs.struct.com/pim3/reference/product-model-setup/dimensions).

### Dimension name

The name of a dimension.

### Dimension segments

Dimension segments which you will be able to segment your data on. Dimension segments consists of an Identifier and a Name.

### Identifier

The identifier for a dimension segment.

### Name

The name of a dimension segment.