Thank Kuovonne for creating this content! Airtable does not currently support grouping columns together. Here are two workarounds for visually grouping columns together.
Formula field
Use a formula field with an emoji to create a visual. Create several and put them in different places for different views.
Here is what the column divider looks like in a grid view.
Single select field with default value
Create a single-select field with one choice, and set that choice as the default value. Then manually set a the value for all existing records.
Here is what the column divider looks like in a grid view.
An added benefit of this method is that you can use a single-select divider field for visual grouping in a form field.
Thank Kuovonne for creating this content!