Locked item 

Indicates editable status of a Matrix.

If a lock icon is displayed on a Matrix, changes are unable to be made as it is either being edited by yourself in another window or by another concurrent user.

Hovering the mouse over the lock icon shows the user that has locked the Matrix from being edited.

Note: This field is read-only.

Name

This column allows you to enter a unique name or identifier for the Matrix.

Description

The Description column allows you to record a detailed explanation for the Matrix.

Unit

Allows you to record a unit of measure for the Matrix.

Default Quantity

The Default Quantity column allows you to define the quantity for any new Cost Estimate Templates created in the matrix.