For an options trader how important is the strike price?

How important is futures and options data and what can I as a trader glean information from that?

What happens to the value of the call and put options under Black & Scholes when the strike price goes down or shifts down?

What happens to the value of the call and put options under Black & Scholes when the strike price goes up?

How are strike prices determined for stock options?

What are weekly options and how is it important for traders?

Apart from price trends, are volume trends also important in the technical analysis of stocks?

Are there are unique benefits that weekly options offer to traders?

As a trader, how important it is choose the right order type?

As a trader how important is market momentum for me?

As a trader in options, have a problem with timing my purchase and sale of options and so I lose money. Are there some basic rules on when to buy and when to sell options?