Draft: The first state when we create a new Sale Opportunity.
Open: All information of the Sale Opportunity is entered such as prospect's contact email, questions, etc
Suspended: We replied to prospect, waiting for their return.
Closed: The Sale opportunity is either 1) accepted by prospect, turn into a Sale Order; or 2) Clearly rejected by prospect.
Expired: No return/ news from prospect for some time.
Deleted: in case added by mistake