1. Purpose and consequence are related because each may stand after an initiating act in an ordered account.
2. The link between an act and an outcome is portrayed through the link between an act and an intended end.
3. The lām is used in accordance with that transferred relation, and its use is treated as dependent metaphor.
This does not turn every effect into a literal intention. The rhetorical expression keeps the difference in reality while borrowing a way of presenting the relation.