Street
The Spanish word 'callejero' can be translated to English as 'street', but not in the sense of a physical street. Instead, it is used more to describe something related to the street. For example, when referring to a dog, 'callejero' suggests that the dog is a stray or street dog. It could also refer to people, insinuating that they spend a lot of time in the streets or are street-smart.
The street map was hard to understand.
In this case, 'callejero' translates to 'street' and is used here to describe a map that shows the streets of a city. The phrase communicates difficulty in comprehension of this city map.
The stray dog always follows me home.
In this sentence, 'callejero' means 'stray' and describes a dog that does not have a home and roams the streets.
I like the street vibe of this city.
Here, 'callejero' translates to 'street', it's an adjective showing the speaker's fondness for a city's lively street scene or vibe.