Definitions for "Electronic ticket"
Available on most routes, eTickets are a convenient alternative to traditional paper tickets. After purchasing or redeeming your ticket, the airline or Asia Miles will send you an itinerary receipt to confirm your flight details. All you need to do is to present your passport at the check-in counter in exchange for a boarding pass.
an airplane ticket that resides on the airlines' computer database
Electronic tickets (also known as E-Tickets) are airline tickets without the paper, whereby ticket records are stored in the airline's computer system.
Keywords:  notation, seat, paid, computer
a just notation in a computer that I paid for a seat
Keywords:  kind, service
a kind of service in which