'Lined up' describes people or items arranged in a row or in clear order. It also means planned or scheduled in advance, ready to happen or be used.
About 1,000 people turned up for the celebration on Wednesday evening singing ‘bhajans’ and chanting at a traffic island on Times Square, while two groups of protesters lined up on either side to heckle them. Source: Internet
About another two-dozen visitors holding Biden-Harris signs lined up against a rail bordering the rally. Source: Internet
After some warm hugs and photo-ops with Flossie, the children lined up to enjoy hot chocolate and cookies. Source: Internet
AFP reporters saw long queues, with some patients saying they lined up for two days to see a doctor. Source: Internet
Algerians from different regions lined up to pay respect to the fighters on Saturday, when their coffins were on public display at the Algiers Palace of Culture. Source: Internet
All those handy little icons lined up at the bottom. Source: Internet