Small Questions Unqork

Which kind of output does group input give in Data Workflow component.
In data workflow, when group input takes components as input, its output is a key: value paired array.
suppose Group input take name , email and output is hidden field employeesDetails . then in employeesDetails values will be saved as
employeesDetails: {name: ‘tubuin’, email: ‘alvin@a.c’}
Which operator can create as many as empty row required?
The create Table in data workflow can create as many as empty row required.
What is the most common Display and Layout components in Module Builder and Express View in Unqork
The common components are Panel, Columns, Field Group and HTML Element components.
What is difference between Panel and Field Group?
The main difference is that components like textfield , number can be organised in Panel and can be viewed by end user in Express View.
It is imporatnt when used in Modal (pop up ) by saving as Display as Modal, Whereas Field Group , groups in Modal Builder for self and other creator to see organised in backend.