Demonstrative adjectives and pronouns distinguish their targets by pointing or some other indication of position. They can be either near or far in distance or time.
Demonstrative Rules (British Council)
Christmas Shopping (Listening, British Council)
Demonstratives 1 (WordWall)
Demonstratives 2 (WordWall)
Demonstratives 3 (WordWall)
Demonstratives 4 (Reading, WordWall)