Basic form labels have inline block styling where form controls are below its label. This is the default bootstrap and most basic style for displaying forms.

You can always add more stuff like form sections, form control borders, tooltips, icons, round form controls, square form controls etc..

Refer following links for usage:

Type	URL
Plugin Link	https://getbootstrap.com/docs/4.5/components/forms/
Template page	https://pixinvent.com/demo/frest-clean-bootstrap-admin-dashboard-template/html/ltr/vertical-menu-template/form-layout.html

Floating Labels are used for inline styling where form controls comes before its label. Add .form-label-group class to the parent of input and label tags to have floating label form styling.

You can always add more stuff like form sections, form control borders, tooltips, icons, round form controls, square form controls etc..

Find Form Layout style options below :

Layout style options	Class	Description
Floating Label Form	.form-label-group	Use this class for floating label form Layout to the parent of input and label tags.