Meanings of impinge directly in English

Real-estate professionals say Chinese investors may now delay buying houses even though tighter tax rules probably won't impinge directly on most of them.

If the earth, like the moon, had no atmosphere the particles would impinge directly on its surface, giving it a negative electric charge.

Nothing seemed quite real, nothing impinged directly upon her, yet everything about her was preternaturally clear and sharp.

Whispers impinging directly upon her auditory nerve tell her that the Three Sectors of Consciousness are monitoring her and discussing events.