Definitions for "Travelcard"
an all-in-one ticket that allows you travel on the Underground (the The most central hostel in London, with affordable dormitory style Book hostels online
an all-in-one ticket that allows you travel on the Underground (the Tube), buses, DLR, trams and rail services within set zones
an intermodal ticket for public transport in London, valid in a number of zones and for a period of time varying from one day to one year