Definitions
1.DeterminerThe (thing) here ."This classroom is where I learned to read and write."
2.DeterminerReferring to oneself.
3.DeterminerThe known (thing) ."They give the appearance of knowing what they're doing. It's this appearance that lets them get away with so much."
4.DeterminerThe known (thing) ."When asked what he wanted for his birthday, he gave this reply: “[…]”"
5.DeterminerA known (thing) . Compare with "a certain ..."."I met this woman the other day who's allergic to wheat. I didn't even know that was possible!; There's just this nervous mannerism that Bob has with his hands, and it drives me crazy."
6.DeterminerDesignates the current or next instance."It's cold this morning.; I plan to go to London this Friday."
7.AdverbTo the degree or extent indicated."I need this much water.; Do we need this many recommendations?; We've already come this far, we can't turn back now.; I couldn't garage this big a car; show me something smaller."
8.PronounThe thing, item, etc. being indicated."This isn't the item that I ordered."
9.NounSomething being indicated that is here; one of these.
10.InterjectionIndicates the speaker's strong approval or agreement with the previous material."― I wish trolls could be banned from the forum immediately, without any discussion.― This!"