To add a new Item, hover your mouse over the Manage button in the header menu.
A drop down list will appear.
By selecting the option "Items", a new page will open up with a list of all your Company's Items.
On the top right hand side of the screen you will see a green button which says "Add new Item".
Fill in 1) The Name of your Item, 2) Code 3) Unit 4) Description.
To add this Item select the "Add this Item" button.