To gather or assemble (intransitive) — people or things come together at a place.
子どもたちが公園に集まって遊んでいる。
Children have gathered in the park and are playing.
イベントの参加者は正午に会場に集まる予定だ。
Event participants are scheduled to meet at the venue at noon.
情報はSNSに次々と集まってきた。
Information began to gather on social media one after another.
駅前に自然と人が集まる場所がある。
There's a place in front of the station where people naturally gather.