Inventory items (the products and/or services to be sold) can be entered here or can be entered on-the-fly as needed while making a Sales Form. The choice is yours.
If you are going to enter a lot of inventory items at once, sometimes it is easier to enter the inventory with a product list in hand as opposed to having to lookup information each time you need to add an item.
To view your inventory items, select Inventory from the Setup-Maintenance menu. The Inventory Maintenance/Selection Table is displayed.
Inventory items can be viewed in item number sequence or by description. Select the tab (If used.) for the desired sequence or click in whichever column header by which you wish to sort. Clicking again in the same column header will "toggle" a reverse sort by that column.
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Items can be added or modified by pressing the Insert button to add a new item or point to an item and then press the Change button to view or modify data for the selected item. In both cases the Inventory Maintenance Form is displayed.
The Inventory Maintenance Form is a form with data grouped logically.
The window displays the unique item number, the item description, category, unit of measure, unit cost, list price, sales tax indicator, quantity on hand, bin number (storage location), and the status of this record.
Move the mouse cursor over the fields and controls on the screen and a "tool tip" will pop up to tell you what they are used for indicating how to use them in the system.
Category allows you to group your items.
Check the sales tax box if sales tax applies to this item.
Check the Active Radio Button if the item is actively stocked and tracked by the system.
Check the Non-Stocked Radio Button if the item is not actively stocked but is still tracked by the system.
Check the In-Active Radio Button if the item is NOT actively stocked OR tracked by the system.
Remember the 
Ellipsis buttons are used for quick lookups and selection from a "Control File". Actually this Inventory file is a control file.
Accounts
The Accounts fields display the revenue, expense (cost of goods), and inventory accounts to be used when applying transactions of this item to General Ledger.
Item Extended Description
The Item Extended Description displays a page where an extended text description can be added for this item. The extended description is printed on the invoice when this item is sold.
The Item Extended Description can be "constructed" the 
button. This function allows management to make various "standard" comments in a comment control file and they can be appended (stuffed into the comments text box one after another) by pressing on this button and selecting a comment "segment" to use from:
Note that the operator can 
or 
or 
or 
items "selected (highlighted)" from within the "Message Selection Table" browse (scrolling list) or if the desired "standard" message is not in the list yet go ahead and insert a new one.
Since this Item Extended Description Text Box is part of the line item in a Sales Form, the user can also type in comment text directly into the text box of the inventory item if a unique extended description is needed just for this one inventory item. So standard and unique messages can be appended to each other using this text box.
This Item Extended Description then gets printed on all of the Sales Forms and Purchase Orders for the Inventory Item.
This application functionality give nearly unlimited control of the inventory which becomes line items on a Sales Form of multiple types.