[335] What on that occasion is contact (phassa)?
That which on that occasion is contact, contacting, the act of touching, the state of having been touched — this is the contact present on that occasion. …
What on that occasion is restlessness (uddhacca)?
That which on that occasion is restlessness of mind (citta), absence of calm, distraction of mind, turmoil of mind — this is the restlessness present on that occasion. …
Or whatever other dependently arisen immaterial phenomena (dhammā) there are on that occasion — these phenomena are unwholesome. …
English translation from the Pali (Siam Raṭṭha edition) — under review, not for citation.