Definition

Representation and edition

Native sheets  

How to Build the Workbook

Overhead Sheets at a Glance, Edit Mode

Extra set of fields

How to Create Specific Set of Columns with Custom Behavior (MT/WF)

Set Sheets

Timeframe sheets

How to Create Time Frame Fields

ibidem

Lists

How to Create Free Columns with Custom Behavior

List for Overhead

Free sheets

How to Add a Sheet

User Sheets, Locking Cells in a User Overhead Sheet, Export to Excel