What is Technical Analysis?

What is technical analysis?
There are two opposite trend in the financial markets, bulls and bears market. Bulls pushed the price and bears push down the price.Technical analysis is to study the past price and volume market data to forecast the future trend is bullish or bearish,( the price will go up or go down).
There are many popular technical indicators such as SMA(Simple Moving Average).EMA.(Exponential Moving Average).MACD(Moving Average Convergence/Divergence).MACD-Histogram, RSI(Relative Strength Index),Stochastic, Williams %R, Accumulation/Distribution are widely used by traders, particularly day traders, most long term traders use fundamental analysis to buy stocks.