Call: There are three meaning of the "Call" term. It could be:
1) An option contract giving the buyer the right but not the obligation to purchase a commodity or other asset or to enter into a long futures position;
2) a period at the opening and the close of some futures markets in which the price for each futures contract is established by auction;
3) the requirement that a financial instrument be returned to the issuer prior to maturity, with principal and accrued interest paid off upon return.
Certificate of Deposit: Certificate of Deposit (CD) is a time deposit with a specific maturity evidenced by a certificate. Large denomination Certificate of Deposits are typically negotiable.
CIF: CIF is the cost, insurance, and freight paid to a point of destination and included in the price quoted.
Maturity: Maturity is a period within which a futures contract can be settled by delivery of the actual commodity.
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Naked options trading is very risky - many people lose money trading them. It is recommended contacting your broker or investment professional to find out about trading risk and margin requirements before getting involved into trading uncovered options.