Flags have been normally used as rallying issues for the period of battles; infantrymen may assemble around their colorations for morale

https://veloriftlabs.com/s/3LPnJtDjTJHa9hEa2KsRx

Flags were mostly used as rallying factors for the duration of battles; infantrymen might bring together around their colorings for morale fortify while faced with overwhelming odds.