أَوْ لِلِاحْتِرَازِ عَنْ صُورَةِ الْأَمْرِ
Or to avoid the explicit form of an imperative.
A speaker may want an action performed but choose a declarative instead of directly saying ifʿal. This can soften the directive and respect the listener’s position.
Its grammar is declarative, while the desired outcome is performance of the action. Not every future-oriented statement is automatically a command; the conversational setting must support an implied request.