You can use groups in the product builder to organize your questions.
If you are using the Barebones theme, a group can be used to present questions together in your customizer.
For example, in this gaming chair customizer, all questions related to logos and monograms were grouped together:
Creating a group
Click on the + button in the top left part of the screen.
Under Select input type, pick Group.
Hit Create.
Placing existing questions inside a group
From the left side panel, drag and drop your question inside your group.
Adding new questions to a group
From the left side panel
From the left side panel, hover over your group and click on the + button.
From the right side panel
Click on you group
Within the right side panel, next to Group elements, click the + button.