Sparśa (Sanskrit) or Phassa (Pāli) is a Buddhist term meaning "contact" or "touching" or "sense impression".
觸 or 触 Cn: chù; Jp: soku; Vi: xúc
Sparśa refers to the contact between the sense, sense-objects, and sense-consciousness for example, between eye, light and awareness of vision. In the Pali Canon, there are six "classes" of contact: eye-contact, ear-contact, nose-contact, tongue-contact, body-contact and mind-contact.
Sparśa is the sixth of the Twelve Nidānas. It is conditioned by the presence of the six sense-openings ṣaḍāyatana, and in turn is a condition for the arising of physical sensations (vedanā).