From the "Cart" entry at the top menu, you can show the contents of your active cart. At the bottom of the cart, you'll see a link to "CV Carts".
You can have several CV carts with previously made selections. You can give each CV cart a name and description, so when time passes you can realize of what where the requirements for that cart, who requested it, or any other detail important to you.
You can create new carts, edit them or view their details and content.
On every moment there is an active cart selected. This cart is where CVs are added when you pick them. You can change the active cart using the link at the top menu when viewing the cart contents: