flag

noun

A piece of cloth with a distinctive design, used as a symbol or signal.

"The national flag flew proudly above the building."

verb

To mark something for attention or to signal its importance, often for review.

"Please flag any potential issues in the document."

Thesaurus

Synonyms: flagstone, droop, sag, swag, signal flag, masthead, pin, iris, fleur-de-lis, sword lily, ease up, slacken off