Vexillology is the study of the history, symbloism and usage of flags. The word is derived from the vexillum(in the Picture), which was flag-like objext used as a military standard by units in the Ancient Roman army.
Involvement in vexillology includes academic work in fields such as sociology, history or design, professional or otherwise, contributions
from the flag industry, and interest from those simply passionate about flags.
Vexillological symbols are used by vexillologists to indicate certain characteristics of national flags, such as where they are used, who
uses them, and what they look like. The set of symbols described in this article are known as international flag identification symbols
(IFIS), which were devised by Whitney Smith.
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