The word "lady" can have several meanings depending on the context in which it is used. Some of the more common meanings are:
A woman of a certain age or with a certain social status, especially in relation to nobility or royalty.
A courtesy term to refer to a woman.
A figure from a chess game that moves diagonally.
A woman who is an expert or excellent in some activity or field, such as a "lady of art" or a "lady of singing".
A woman who is considered worthy of respect and admiration due to her character, virtues, or achievements.
A term used to describe a strong, independent, and self-assured woman who excels in her career and in her personal life.