The term "trading concepts" refers to a set of theories, principles and strategies that are used in financial markets for buying and selling assets with an aim of making profits. These concepts help traders to understand market trends, identify opportunities, manage risks and make informed decisions while engaging in transactions. Some common trading concepts include technical analysis, fundamental analysis, risk management, position sizing, money management, and trade execution among others. Understanding these concepts is crucial for anyone who wants to succeed as a trader or investor in the financial markets.