Explicit wording communicates an intended meaning directly, whereas allusive wording may depend on intention and contextual clues. In an everyday illustrative setting, “I approve this task” is more explicit than “Do as you wish,” whose meaning can depend on the situation.
Legal consequences in marriage or divorce cannot be decided by transferring such casual examples. The textbook's specific Hanafi discussion, exact wording, intention, and relevant conditions require separate treatment. The exercise concerns degrees of clarity, not issuing an instant legal ruling.