this

The (thing) here (used in indicating something or someone nearby).

The known (thing) (used in indicating something or someone just mentioned).

The known (thing) (used in indicating something or someone about to be mentioned).

(informal) A known (thing) (used in first mentioning a person or thing that the speaker does not think is known to the audience). Compare with "a certain ...".

(of a time reference) Designates the current or next instance.