What is the meaning of Which?

And.

What, of those mentioned or implied.

The/Any ... that; whichever.

Designates the one(s) previously mentioned.

What one or ones (of those mentioned or implied).

The/Any ones that; whichever.

In a non-restrictive relative clause, referring to something previously mentioned.

  1. Referring to a preceding noun.

    Referring to a preceding noun.

    Used of people (now generally who, whom, that; which remains possible with words also referred to by it such as baby, child).

    Referring to a preceding statement.

    In a restrictive relative clause, referring to a noun previously mentioned.

    Used of people.

    which; discourse marker introducing personal assessment or comment of the preceding clause

    which

    Alternative form of wich

    Source: wiktionary.org