(product development) project

one month (duration)

project (planned endeavour)

period of time, cycle

counter for months, used to express a period of time numbered in months

project management

one day

(chemistry) a periodic table

cyclic, periodic

one, 1 / the first in order, foremost / the beginning / the best / a kind of; one of something / (card games) an ace / unity / the bottom string of a shamisen or other Japanese musical instrument