not limited to; not just ...; not only ...
A conjunction used after a noun to mean 'not limited to' or 'not just'. It broadens the scope beyond the mentioned item, often followed by a wider range or additional examples.
This shop is always crowded, not just on Sundays.
He can speak not only English but also French.
Also means 'not only', but に限らず is more formal and often used in written or explanatory contexts.
Derived from the negative form of the verb 限る (to limit) with the particle に, literally 'not limiting to'.