How to transfer data from ESP8266 to Arduino?

Question

Arduino

How to transfer data from Arduino UNO to ESP8266 and vice versa?

For example, if I want to receive information via WiFi, and then display it on an LED screen via Arduino. As far as I understand, somehow through Serial?
Initially, the work with the ESP8266 is set up, I can flash it through the Arduino, the trial programs all work, but now it's the turn to transfer data between these two controllers.

Answer 1

UART, I see you have TX / RX contacts

Answer 2

There is a transparent TCP2UART bridge on esp, you can use it.