Some of the terms used in ETFs trading:
Capital gains - Profits on the sale of stocks determined at
time of sale.
Growth - Describes stocks in a market which have relatively
high Price-to-Earnings or other valuation ratio. Typically high growth,
low-dividend companies. Can quickly outpace value stocks, but typically more
risky.
Returns - Indicate the total percentage gain of a fund over
that time period.
Dividend yield -
A company's declared dividends per share as a percentage of its current share
price.
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.