* Let's go: This is the most common meaning of "Chalo". It's used as an imperative to start moving or to encourage someone to go somewhere. For example, "Chalo, hum ghar jaate hain" (Let's go, we're going home).
* Go: This is another common meaning of "Chalo", used as a simple command to go somewhere. For example, "Chalo, school jaao" (Go, go to school).
* Okay: In some cases, "Chalo" can mean "Okay" or "Alright" as an agreement to something. For example, "Chalo, main aapko chai bana deta hu" (Okay, I'll make you tea).
The exact meaning of "Chalo" will be determined by the context of the sentence and the tone of the speaker.