Ellyn / November 8, 2021
“Nodes” are the essential parts of a chat on Querlo. Knowing the types of nodes helps you build and manage a chat.
The image below is a simple chat and you can see how it is presented in the chat builder.
![](https://blog.querlo.com/wp-content/uploads/2022/07/Screenshot-2022-07-20-at-3.34.07-PM-1024x604.png)
A chat is built up with nodes that are shown in different colors, and the colors represent specific functions.
Text nodes #
Blue is a Text node, and it means the flow proceeds in a straight line.
![](https://blog.querlo.com/wp-content/uploads/2021/12/Screenshot-2021-12-27-at-8.21.55-PM.png)
Image Link nodes #
An Image link node shows the thumbnail of the image.
![](https://blog.querlo.com/wp-content/uploads/2021/12/Screenshot-2021-12-27-at-8.28.54-PM.png)
Video Embed nodes #
A Video embed node shows the thumbnail of the video.
![](https://blog.querlo.com/wp-content/uploads/2021/12/Screenshot-2021-12-27-at-8.27.59-PM.png)
Branching/Question nodes #
Red is a Branching/Question node, and it means the flow will branch.
Answer nodes #
Green is an Answer node, and it represents the beginning of a new branch in the flow.
![](https://blog.querlo.com/wp-content/uploads/2021/12/Screenshot-2021-12-27-at-8.23.35-PM-772x1024.png)
Command nodes #
Grey is a command node, and it shows the command type that you selected to use.
![](https://blog.querlo.com/wp-content/uploads/2021/12/Screenshot-2021-12-27-at-8.27.09-PM.png)