Standalone demonstrative pronouns used to indicate locations
These words — ここ, そこ, あそこ, and どこ — are demonstratives used to specify locations based on their distance relative to the speaker and listener.
ここ (here): Indicates a place near the speaker.
そこ (there): Refers to a place near the listener or a location mentioned previously.
あそこ (over there): Refers to a place far from both the speaker and listener.
どこ (where): Used to ask for the location of something.
These terms can also refer to more abstract "locations" in conversations, such as states of being, points in time, or metaphorical places.
ここ (here): Refers to the speaker's current situation or state.
そこ (there): Refers to a situation or point previously mentioned.
あそこ (over there): Refers to a distant, metaphorical, or less immediate state or point in time.
どこ (where): Used in abstract contexts to ask about a point or focus.