The functions of streets and alleys are described correctly.

The function description of streets and lanes is correct as follows:

As an important part of urban space, streets and lanes bear the diversity and vitality of urban life. The following is a description of the functions of streets and lanes:

Traffic connection: Streets and alleys are an important part of the urban traffic network, which bear the traffic demand of pedestrians, bicycles, motor vehicles and other modes of transportation. They connect every corner of the city, providing residents with convenient modes of travel, and at the same time posing challenges to urban traffic guidance and planning.

Community communication: Streets and alleys are important places for community communication, where residents exchange and interact with each other and establish community relations. The openness and convenience of streets and lanes facilitate residents to visit each other, chat and even hold community activities, and enhance the cohesion and sense of belonging of the community.

Commercial activities: Streets and alleys are often places where commercial activities are concentrated, and small and micro businesses such as small businesses, cafes, restaurants and bookstores flourish in the streets and alleys. These commercial facilities not only meet the living needs of residents, but also provide diversified consumption choices, making urban life more colorful.

Historical and Cultural Exhibition: Many streets and lanes carry the history and culture of the city, and ancient buildings and traditional folk culture are displayed here. Streets and alleys are important carriers of urban history and culture, through which we can understand the historical changes and cultural inheritance of a city.

Recreation and entertainment: Streets and alleys are also places for residents' recreation and entertainment. People walk, run, sing and dance in the streets and enjoy the ease and happiness of city life. The openness and convenience of streets and lanes enable residents to have leisure activities anytime and anywhere.

In a word, as an important part of urban space, streets and lanes bear the diversity and vitality of the city. They are not only an important part of the transportation network, but also an important place for community communication, business activities, historical and cultural exhibitions and leisure and entertainment.