The prefix par, when used with movement verbs, means a direction towards home.

pareiti - to go/walk home
parbėgti - to run home
parvažiuoti - to go (by a transport) home
parskristi - to fly home
parjoti - to ride home
parplaukti - to swim home

Aš pareinu namo. I walk home. I come home.
Dėstytojas parbėga namo. The lecturer runs home.
Laivas parplaukia į Lietuvą. The ship swims home to Lithuania.
Arklys parjoja vienas. The horse rides home alone.
Paukščiai neparskrenda namo. The birds don't fly home.
Tėvas parvažiuoja! Father comes (by transport) home!