round-trips
Out and back
Round-trips is the plural of round-trip, a journey to a destination and back again: She makes three round-trips to the office each week.
In computing, round-trips refers to complete cycles of a request sent and response received: The API requires too many round-trips to load a single page.
As a verb, to round-trip is to make such journeys or cycles.
excursion
Brief recreational trip
expedition · tour · outbound · return · circuit · loop · booking · fare · ticket · flight
request
Formal act of seeking
query · fetch · overhead · call · handshake · transmission · packet · server · client · synchronous
journey completeness
round-tripsone-way tickets
Fares for departure only
one-ways · single tickets · singles · emigrations · point-to-point