ลง(long)

[to] go down; descend

to move from a higher place to a lower place; to descend

[to] get off (vehicle)

to leave or step off a vehicle such as a bus, train, or car

down; downstream

toward a lower place, level, or downstream

[to] put; apply; record

to put or apply [sth] onto/into a surface or system; to record or enter information (e.g., write down, key in, apply medicine)

[to] decrease; go down

to become lower in amount, level, intensity, or price; to reduce

[to] land; alight

for aircraft or birds: to come down to the ground or a surface

downstream; southbound

moving toward downstream or the south; toward a lower point