<def-root>A <fen>Traveller</fen> boards a <fen>Vehicle</fen> that they intend to use as a means of transportation either as a passenger or as a driver.
<ex>On the 5th of December, 1834, <fex name="tra">we</fex> <t>embarked</t> <fex name="Vehicle">on board the merchant ship Hellespont</fex>.</ex>
<ex><fex name="Traveller">She</fex> <t>boarded</t> <fex name="Vehicle">the train</fex> <fex name="Time">ahead of him</fex>.</ex>
<ex><fex name="Time">On 19 September</fex> <fex name="Traveller">the battalion</fex> <t>embussed</t> and headed southward into the Swordfish training area some 40 miles away.</ex></def-root>
<def-root>The <fen>Traveller</fen> is the entity which boards the <fen>Vehicle</fen>.
<ex>At approximately 07:30 hours <fex name="tra">we</fex> <t>emplaned</t> in England and after circling to gather other units that made up the 1st Airborne Army, we headed for the Rhine.</ex></def-root>
<def-root>The <fen>Vehicle</fen> is the intended means of conveyance of the <fen>Traveller</fen>.
<ex>When he had <t>mounted</t> <fex name="Vehicle">the horse</fex>, his armour glittered in the sun, and he looked so brave and handsome.</ex></def-root>
<def-root>Any expression which implies a definite starting-point of motion outside of or off the <fen>Vehicle</fen> expresses the frame element <fen>Source</fen>.
</def-root>
<def-root>The <fen>Manner</fen> describes a property of the motion not related to its trajectory.
</def-root>
<def-root>The <fen>Path</fen> describes the trajectory of the <fen>Traveller</fen>'s motion onto the <fen>Vehicle</fen>.
</def-root>
<def-root>The amount of time the <fen>Traveller</fen> spends on the <fen>Vehicle</fen> after boarding it.
</def-root>
<def-root>The state of the <fen>Traveller</fen> or <fen>Vehicle</fen> during the boarding.
<ex>Kate Lawler (no relation) reportedly <t>boarded</t> a plane <fex name="Depictive">drunk</fex> after hitting the bar when her flight was delayed for five hours. </ex></def-root>
<def-root>When the boarding of the <fen>Vehicle</fen> takes place.
<ex>Therese <t>entrained</t> <fex name="Time">at 9am on 4 October</fex> for the Brandhoek area. .</ex></def-root>
<def-root>A theme that rides in the same <fen>Vehicle</fen> as the main <fen>Traveller</fen>. This may be an entity the <fen>Traveller</fen> transports or a co-traveller moving under their own power.
<ex>This woman <t>got</t> on the bus <fex name="CT">with a whole gaggle of little children</fex>.</ex></def-root>
<def-root>The <fen>Purpose</fen> for which the <fen>Traveller</fen> boards the vehicle.
</def-root>
<def-root>The location in which the <fen>Traveller</fen> boards the <fen>Vehicle</fen>.
<ex>You can <t>get</t> on the shuttle bus <fex name="pla">at the Bank of America across from the BART station</fex>.</ex></def-root>
<def-root>Circumstances describe the state of the world (at a particular time and place) which is specifically independent of the event itself and any of its participants. </def-root>
Ride_vehicle
COD: get on or into (a ship, aircraft, or other vehicle).
FN: enter or mount a vehicle
COD: go on board a ship or aircraft.
FN: go on board an aircraft.
FN: board a train.
COD: get up on (an animal or bicycle) in order to ride it.
COD: jump on to (a vehicle)
FN: the act of embarking on a vessel or aircraft
COD: the act of passengers and crew getting aboard a ship or aircraft
FN: get on a bus