Vocabulary

traffic ethics

traffic obstruction

traffic; traffic volume

traffic route

point of intersection

reading responsively

responsive readings

subsidy; grant; bounty

deliverer; donor

one's relationships; people one knows; circle of friends

personnel shuffle

necromancy; spiritism; spiritualism

promotion of social intercourse

marquisate; marquessate; principality

marchioness

nobles; feudal lords

season; weather

bird of passage; migratory bird

epistolary style using the auxiliary "sōrō" in place of "aru"

cadet

proposed site; site chosen

the speed of light

luminous body (e.g. of a shooting star)

optical disk; digital optical disk

optical fiber; optical fibre

time; Father Time

light and flame

photochemistry

optical fiber

optical character

corona

photon

magneto-optical; MO

optical axis (of a lens, spherical mirror, etc.)

light-wave communication

photoelectron

photovoltaic cell; photoelectric cell; photocell; solar cell

intensity of light

light waves

amount of light; quantity of light