The crossword solution for the term 1ST, 2ND, 3RD, ETC. is STREETS. Streets are public thoroughfares that are typically paved and marked with street signs. They are used by pedestrians, cyclists, and vehicles to travel from one place to another. Streets are usually lined with buildings and other structures, such as trees, benches, and streetlights. They are an important part of urban infrastructure and are often used to define neighborhoods and districts.