Q - What do you means by the Impluse Phase?
A - The Primary trend. In an Uptide, this is the bullish trend and during a Downtide, the bearish trend.
Q - What is the Corrective Phase ?
A - This is the corrective reaction which happens naturally when the Stock Market is in an overbought or oversold zone. During the Uptide, the secondary reaction is the Corrective Phase and during a Downtide, the bear rally.
More info about Corrective and Impulse Phases at