A சீர் built from exactly 4 அசை - the longest of the 4 named சீர் types, giving a line the most weight per foot.

16 different named variants exist for நாலசைச் சீர் alone in classical sources - this app keeps just the top-level name, leaving that deep catalogue to dedicated prosody manuals.

A 4-beat foot, the heaviest of the named சீர் types.