Browsing the catalog can be done through different ways.
Catalog tree
Catalog colorways are displayed within a tree structure and you can click any of the nodes to display its colorways, or click the + sign next to it to expand it. Below is an example:

To view the colorway details, click its thumbnail. You can click the checkbox next to the colorway you want to select it, or click the checkbox next to the node to select all the colorways in that node as highlighted above.
Filter colorways
You can also use the filter functionality to browse colorways. The filter icon appears as shown below:

The Filter window appears as shown below depending on the attributes configured at the catalog level:

Enter the values you want for any of the criteria attributes, or add a new filter field as shown in the below example:

You can click the slider button next to the field to exclude the entered values. Click Apply, the matching colorways are displayed. More information is available in Filter colorways.
Saved views
Saved views provide a way to display colorways within groups into rows and columns. To create a saved view, click the Group by button as shown below:

Two fields appear when you click this button to allow you to select the column and row divider attributes by which colorways are grouped:

Based on your selection, colorways are displayed as shown in the below example:

To save the displayed colorways in a saved view, go to the Saved views tab on the left-hand side and click the + button as shown below:

The saved view creation window appears as shown below:

- Enter the view name, and if you are an admin user then you can select whether you want this view to be available for all catalog users,
- Select the folder to which the view is saved, or enter the new folder name which will be created under the selected folder,
- Click Confirm.
More information is available in Group by and Saved views. You can select the colorways in the saved view and copy them to be added to your order.
Browse by and catalog buckets
"Browse by" option helps you browse and group colorways using an attribute configured at the catalog level. The icon appears as shown below:

You can browse colorways by style, by colorway, or by attribute. Select the option you want, colorways are displayed within buckets as shown in the below example:

You can select a bucket to select all its colorways. More information is available in Browse by and catalog buckets.