First: the sequence of buying and selling

Buy - hold - sell - wait - buy

Second: When do I buy?
       If a buy signal appears after selling or after waiting

Third: When do I sell?

       If a sell signal appears after purchasing or after holding

Fourth: When do I keep the stock and not sell it?
       If the signal was a hold (or it was with you and it showed a buy)

Fifth: When am I outside the arrow and not entering it?

       If the signal was wait (or sell).   )