by the way, incidentally

even if, no matter if (someone does something)

place / location

earth; ground

earth, land, ground / a place, a region, a piece of land / territory, dominion / (of a crate, etc.) the bottom / (printing, of a page) the bottom margin

place, area

the ground / earth, dirt, mud, soil / the earth (as opposed to the heavens) / the ground or bottom of something (as of a price range)

one (of anything) / a, an

one (of anything) / a, an

Kyūjitai form of 個体 (“individual”)