Definitions:
a piece of cloth or similar material, typically oblong or square, attachable by one edge to a pole or rope and used as the symbol or emblem of a country or institution or as a decoration during public festivities

a small piece of cloth attached at one edge to a pole and used as a marker or signal in various sports

a variable used to indicate a particular property of the data in a record.

mark (an item) for attention or treatment in a specified way

(of an official) raise a flag to draw the referee's attention to a breach of the rules in soccer, rugby, and other sports

provide or decorate with a flag or flags.

a flat stone slab, typically rectangular or square, used for paving.

a plant with sword-shaped leaves that grow from a rhizome.

become tired or less enthusiastic or dynamic