Sections & Columns in Doctype

Sections allows creator to group fields in Form view of the Doctype, Sections work as Horizontal separators, The Section can be further divided vertically with the "Columns", A section can have multiple columns.
Sections and Columns in Doctype
While creating a Doctype, by default one section with one Column is present on Doctype editor screen, you can further divide the sections into multiple columns by clicking on "Add Column" button on the Doctype editor screen.
To add a section, you can navigate to the action panel, click on the "Add Section" button.