Open: Open is the period at the beginning of the trading session officially designated by the exchange during which all transactions are considered made "at the open."
Opening: Opening is the period at the beginning of the trading session officially designated by the exchange during which all transactions are considered made "at the opening."
Range: Range is the difference between the high and low price of a commodity, futures, or option contract during a given period (trading session, week, month, year, etc).
Ring: Ring is a circular area on the trading floor of an exchange where traders and brokers stand while executing futures trades. Some exchanges use pits rather than rings.
Transaction: Transaction is an entry or liquidation of a trade.
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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.