This
These
adjective, こそあど word
Remember how これ means "this one"? Well, この simply means this. The difference is that これ is used on its own, whereas この goes before a noun. For example, この人 means "this person".
Notice how words like this starting with こ are close to you? We'll be learning a few more of these, and they all follow the same pattern!
この人
this person
このページ
this page
この日
this day
この二つ
these two things
この人、だれ？
Who's this?
このページを見てください。
Please look at this page.
ごめん、この日はスケジュールがいっぱいなんだ。
Sorry, my schedule is full on this day.