Meanings

rate of progression

big craze

behavioral economics

company outing

family vacation

field of activities

present continuous tense

k-stem irregular verb conjugation ("ku(ru)" is the only member)

domestic travel

day trip

night train

s-stem irregular verb conjugation ("su(ru)" is the only member)

r-stem irregular conjugation (in classical Japanese)

n-stem irregular verb conjugation (in classical Japanese)

study tour

(act of) masturbation

management (of corporate affairs)

direction of travel

descending

good bye