Purpose
Part of speech: verb
Definition: Have set as one's purpose; resolve to accomplish; intend; plan. (passive) Designed for some purpose.
Part of speech: noun
Definition: An object to be reached; a target; an aim; a goal. A result that is desired; an intention. The act of intending to do something; resolution; determination. The subject of discourse; the point at issue. The reason for which something is done, or the reason it is done in a particular way.
Significance
Part of speech: noun
Definition: the extent to which something matters; importancemeaning