What is the meaning of Conditional?

Limited by a condition.

Stating that one sentence is true if another is.

Expressing a condition or supposition.

A conditional sentence; a statement that depends on a condition being true or false.

The conditional mood.

A statement that one sentence is true if another is.

An instruction that branches depending on the truth of a condition at that point.

A condition (a limitation or restriction).

Source: wiktionary.org