To move away from the speaker or reference point.
When to use
Away from speaker, Leaving place, Future planned movement
The nuance
Used when moving away from the speaker or a reference location.
가다 (ga-da, gada) · 오다 (o-da, oda)
가다 and 오다 are verbs that differ based on movement direction, distinguishing whether the action moves away from or towards the speaker.

One lane per word — no nested boxes, just the gist.
To move away from the speaker or reference point.
When to use
Away from speaker, Leaving place, Future planned movement
The nuance
Used when moving away from the speaker or a reference location.
To move towards the speaker or reference point.
When to use
Towards speaker, Arriving destination, Approaching current location
The nuance
Used when moving toward the speaker or a reference location.
나는 학교에 가요.
na-neun hak-gyo-e ga-yo., na neun hak gyo e ga yo.
The speaker is away from school, so 가다 is appropriate.
친구가 우리 집에 와요.
chin-gu-ga u-ri jip-e wa-yo., chin gu ga u ri jip e wa yo.
The friend moves toward the speaker's house, so 오다 is correct.
저는 지금 집에 와요.
jeo-neun ji-geum jip-e wa-yo., jeo neun ji geum jip e wa yo.
Since the speaker is already home, 오다 is awkward; 가다 is correct.
우리는 공원에 와요.
u-ri-neun gong-won-e wa-yo., u ri neun gong won e wa yo.
If the speaker is outside the park, 가다 is correct; 오다 is inappropriate.
내일 서울에 가요.
nae-il seo-ul-e ga-yo., nae il seo ul e ga yo.
For future movement from speaker's location to Seoul, 가다 is used.
친구가 우리 사무실에 가요.
chin-gu-ga u-ri sa-mu-sil-e ga-yo., chin gu ga u ri sa mu sil e ga yo.
The friend is coming to the speaker's office, so 오다 is correct.
그는 지금 집에 가고 있어요.
geu-neun ji-geum jip-e ga-go iss-eo-yo., geu neun ji geum jip e ga go iss eo yo.
Since the speaker is outside home, 가다 fits the movement toward home.
나는 회사에 와요.
na-neun hoe-sa-e wa-yo., na neun hoe sa e wa yo.
If the speaker is outside the company, 가다 is correct; 오다 is inappropriate.
Which verb to use when a friend moves to the speaker's home where the speaker is?
Which verb to use when the speaker is at school and leaves it?
Which verb is appropriate for future movement to Seoul?
What does it mean?