Here's an explanation of each column:
Date: This column represents the date of the trading day.
Close: The closing price of the stock on the given date. It's the last price at which the stock traded during the regular trading hours of the day.
High: The highest price of the stock reached during the trading day.
Low: The lowest price of the stock reached during the trading day.
Open: The opening price of the stock on the given date. It's the price at which the stock first traded when the market opened on that day.
Volume: The total number of shares traded during the day.
AdjClose: The closing price of the stock adjusted for any corporate actions such as stock splits or dividends.
AdjHigh: The highest price of the stock adjusted for any corporate actions.
AdjLow: The lowest price of the stock adjusted for any corporate actions.
AdjOpen: The opening price of the stock adjusted for any corporate actions.
AdjVolume: The total volume of shares traded adjusted for any corporate actions.
DivCash: The cash dividend amount paid per share, if applicable.
SplitFactor: The factor by which the stock was split, if applicable. For example, if the stock had a 2-for-1 split, the split factor would be 2.