In-place data entry

In-place data entry means the data can be edited from where it is viewed.

For example, spreadsheet applications such as Excel allow for in-place editing of the values of the cells:

The in-place editing of documents is somestimes called WYSIWYG []. A WYSIWYG editor is a system in which content (text and graphics) can be edited in a form closely resembling its appearance when printed or displayed as a finished product

Out-of-place data entry

If a dialog window (a "form") is used to update a cell in a spreadsheet, then that's out-of-place data entry.