What does pedestrian crossing mean?

See a translation

Person A I wants to I
---> o I get to I
I Person B I Person B
I ---> I o <----
I | | | | | | | | |I
∆
|
white stripes on the street where cars normally have to stop and wait until people (here: Person A) cross the street these white stripes are called pedestrian crossing or

🚖 🚘
🚦 🚖 🚦
| 🚘 🚘 |
o <---Person A waits 🚦red
| |

cars stop 🚖. 🚘. 🚘
🚦 🚦
| Person A can go |
o 🚦green
| |

∆
|
pedestrian crossing

I hope I could help you to understand it better! ^^